/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 03:35:01,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 03:35:01,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 03:35:01,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 03:35:01,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 03:35:01,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 03:35:01,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 03:35:01,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 03:35:01,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 03:35:01,563 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 03:35:01,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 03:35:01,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 03:35:01,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 03:35:01,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 03:35:01,564 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 03:35:01,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 03:35:01,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 03:35:01,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 03:35:01,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 03:35:01,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 03:35:01,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 03:35:01,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 03:35:01,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 03:35:01,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 03:35:01,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 03:35:01,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 03:35:01,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 03:35:01,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 03:35:01,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 03:35:01,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 03:35:01,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 03:35:01,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 03:35:01,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:35:01,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 03:35:01,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 03:35:01,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 03:35:01,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 03:35:01,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 03:35:01,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 03:35:01,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 03:35:01,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 03:35:01,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 03:35:01,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 03:35:01,571 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 03:35:01,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 03:35:01,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 03:35:01,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 03:35:01,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 03:35:01,766 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 03:35:01,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label55.c [2023-12-19 03:35:02,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 03:35:03,163 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 03:35:03,163 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label55.c [2023-12-19 03:35:03,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be3a4118/4120798b05b746b082191c5dc4b36495/FLAG5d8e09f56 [2023-12-19 03:35:03,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4be3a4118/4120798b05b746b082191c5dc4b36495 [2023-12-19 03:35:03,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 03:35:03,196 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 03:35:03,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 03:35:03,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 03:35:03,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 03:35:03,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31eb1c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03, skipping insertion in model container [2023-12-19 03:35:03,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 03:35:03,470 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label55.c[6546,6559] [2023-12-19 03:35:03,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:35:03,665 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 03:35:03,682 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label55.c[6546,6559] [2023-12-19 03:35:03,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:35:03,770 INFO L206 MainTranslator]: Completed translation [2023-12-19 03:35:03,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03 WrapperNode [2023-12-19 03:35:03,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 03:35:03,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 03:35:03,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 03:35:03,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 03:35:03,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,913 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-19 03:35:03,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 03:35:03,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 03:35:03,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 03:35:03,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 03:35:03,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,968 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]. [2023-12-19 03:35:03,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:03,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:04,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:04,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:04,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 03:35:04,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 03:35:04,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 03:35:04,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 03:35:04,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (1/1) ... [2023-12-19 03:35:04,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:35:04,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:35:04,088 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) [2023-12-19 03:35:04,090 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 [2023-12-19 03:35:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 03:35:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 03:35:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 03:35:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 03:35:04,183 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 03:35:04,185 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 03:35:05,423 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 03:35:05,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 03:35:05,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 03:35:05,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:35:05 BoogieIcfgContainer [2023-12-19 03:35:05,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 03:35:05,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 03:35:05,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 03:35:05,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 03:35:05,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:35:03" (1/3) ... [2023-12-19 03:35:05,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5347404d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:35:05, skipping insertion in model container [2023-12-19 03:35:05,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:03" (2/3) ... [2023-12-19 03:35:05,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5347404d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:35:05, skipping insertion in model container [2023-12-19 03:35:05,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:35:05" (3/3) ... [2023-12-19 03:35:05,479 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2023-12-19 03:35:05,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 03:35:05,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 03:35:05,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 03:35:05,552 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;@7c1700, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 03:35:05,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 03:35:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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) [2023-12-19 03:35:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-19 03:35:05,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:05,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:05,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:05,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash -77772250, now seen corresponding path program 1 times [2023-12-19 03:35:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:05,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834797975] [2023-12-19 03:35:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:05,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:05,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834797975] [2023-12-19 03:35:05,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834797975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:05,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:05,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498665848] [2023-12-19 03:35:05,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:05,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 03:35:05,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:05,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 03:35:05,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:35:05,762 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-12-19 03:35:05,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:05,811 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-19 03:35:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 03:35:05,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2023-12-19 03:35:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:05,821 INFO L225 Difference]: With dead ends: 441 [2023-12-19 03:35:05,821 INFO L226 Difference]: Without dead ends: 219 [2023-12-19 03:35:05,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:35:05,827 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:05,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 03:35:05,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-19 03:35:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-19 03:35:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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) [2023-12-19 03:35:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-19 03:35:05,873 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 44 [2023-12-19 03:35:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:05,873 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-19 03:35:05,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-12-19 03:35:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-19 03:35:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-19 03:35:05,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:05,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:05,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 03:35:05,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:05,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1962492454, now seen corresponding path program 1 times [2023-12-19 03:35:05,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:05,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922310928] [2023-12-19 03:35:05,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:05,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:06,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:06,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922310928] [2023-12-19 03:35:06,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922310928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:06,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:06,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446655665] [2023-12-19 03:35:06,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:06,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:06,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:06,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:06,112 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-12-19 03:35:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:06,930 INFO L93 Difference]: Finished difference Result 630 states and 1029 transitions. [2023-12-19 03:35:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:06,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2023-12-19 03:35:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:06,933 INFO L225 Difference]: With dead ends: 630 [2023-12-19 03:35:06,934 INFO L226 Difference]: Without dead ends: 412 [2023-12-19 03:35:06,935 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 [2023-12-19 03:35:06,936 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 163 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:06,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 144 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 03:35:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-19 03:35:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 410. [2023-12-19 03:35:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 409 states have (on average 1.4596577017114913) internal successors, (597), 409 states have internal predecessors, (597), 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) [2023-12-19 03:35:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 597 transitions. [2023-12-19 03:35:06,967 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 597 transitions. Word has length 44 [2023-12-19 03:35:06,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:06,967 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 597 transitions. [2023-12-19 03:35:06,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2023-12-19 03:35:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 597 transitions. [2023-12-19 03:35:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-19 03:35:06,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:06,970 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-12-19 03:35:06,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 03:35:06,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:06,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2139669779, now seen corresponding path program 1 times [2023-12-19 03:35:06,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:06,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392888596] [2023-12-19 03:35:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:07,212 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:07,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:07,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392888596] [2023-12-19 03:35:07,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392888596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:07,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:07,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:07,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266950073] [2023-12-19 03:35:07,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:07,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:07,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:07,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:07,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:07,220 INFO L87 Difference]: Start difference. First operand 410 states and 597 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2023-12-19 03:35:07,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:07,839 INFO L93 Difference]: Finished difference Result 1208 states and 1764 transitions. [2023-12-19 03:35:07,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:07,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112 [2023-12-19 03:35:07,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:07,842 INFO L225 Difference]: With dead ends: 1208 [2023-12-19 03:35:07,842 INFO L226 Difference]: Without dead ends: 799 [2023-12-19 03:35:07,844 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 [2023-12-19 03:35:07,845 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:07,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-19 03:35:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 786. [2023-12-19 03:35:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 785 states have (on average 1.3859872611464967) internal successors, (1088), 785 states have internal predecessors, (1088), 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) [2023-12-19 03:35:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1088 transitions. [2023-12-19 03:35:07,868 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1088 transitions. Word has length 112 [2023-12-19 03:35:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:07,868 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1088 transitions. [2023-12-19 03:35:07,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2023-12-19 03:35:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1088 transitions. [2023-12-19 03:35:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-19 03:35:07,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:07,870 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-12-19 03:35:07,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 03:35:07,870 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:07,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:07,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1410466957, now seen corresponding path program 1 times [2023-12-19 03:35:07,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:07,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129819445] [2023-12-19 03:35:07,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:07,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:08,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:08,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129819445] [2023-12-19 03:35:08,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129819445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:08,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:08,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:08,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72045633] [2023-12-19 03:35:08,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:08,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:08,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:08,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:08,134 INFO L87 Difference]: Start difference. First operand 786 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2023-12-19 03:35:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:08,732 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2023-12-19 03:35:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2023-12-19 03:35:08,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:08,736 INFO L225 Difference]: With dead ends: 1941 [2023-12-19 03:35:08,736 INFO L226 Difference]: Without dead ends: 1156 [2023-12-19 03:35:08,737 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 [2023-12-19 03:35:08,738 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:08,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-12-19 03:35:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1155. [2023-12-19 03:35:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1154 states have (on average 1.2781629116117852) internal successors, (1475), 1154 states have internal predecessors, (1475), 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) [2023-12-19 03:35:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1475 transitions. [2023-12-19 03:35:08,754 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1475 transitions. Word has length 113 [2023-12-19 03:35:08,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:08,755 INFO L495 AbstractCegarLoop]: Abstraction has 1155 states and 1475 transitions. [2023-12-19 03:35:08,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2023-12-19 03:35:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1475 transitions. [2023-12-19 03:35:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 03:35:08,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:08,757 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:08,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 03:35:08,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:08,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:08,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1554399401, now seen corresponding path program 1 times [2023-12-19 03:35:08,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:08,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253645508] [2023-12-19 03:35:08,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:08,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-19 03:35:08,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:08,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253645508] [2023-12-19 03:35:08,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253645508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:08,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:08,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455377099] [2023-12-19 03:35:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:08,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:08,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:08,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:08,871 INFO L87 Difference]: Start difference. First operand 1155 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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) [2023-12-19 03:35:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:09,452 INFO L93 Difference]: Finished difference Result 2501 states and 3338 transitions. [2023-12-19 03:35:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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 156 [2023-12-19 03:35:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:09,457 INFO L225 Difference]: With dead ends: 2501 [2023-12-19 03:35:09,457 INFO L226 Difference]: Without dead ends: 1531 [2023-12-19 03:35:09,458 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 [2023-12-19 03:35:09,459 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:09,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 154 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2023-12-19 03:35:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2023-12-19 03:35:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1530 states have (on average 1.2620915032679738) internal successors, (1931), 1530 states have internal predecessors, (1931), 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) [2023-12-19 03:35:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1931 transitions. [2023-12-19 03:35:09,492 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1931 transitions. Word has length 156 [2023-12-19 03:35:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:09,503 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1931 transitions. [2023-12-19 03:35:09,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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) [2023-12-19 03:35:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1931 transitions. [2023-12-19 03:35:09,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-19 03:35:09,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:09,506 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:09,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 03:35:09,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:09,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:09,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1494820296, now seen corresponding path program 1 times [2023-12-19 03:35:09,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:09,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856003564] [2023-12-19 03:35:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:09,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:09,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856003564] [2023-12-19 03:35:09,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856003564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:09,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:09,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:09,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765692962] [2023-12-19 03:35:09,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:09,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:09,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:09,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:09,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:09,654 INFO L87 Difference]: Start difference. First operand 1531 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-19 03:35:10,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:10,223 INFO L93 Difference]: Finished difference Result 3643 states and 4737 transitions. [2023-12-19 03:35:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:10,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-19 03:35:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:10,230 INFO L225 Difference]: With dead ends: 3643 [2023-12-19 03:35:10,230 INFO L226 Difference]: Without dead ends: 2297 [2023-12-19 03:35:10,231 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 [2023-12-19 03:35:10,232 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 190 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:10,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 319 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:35:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2023-12-19 03:35:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2294. [2023-12-19 03:35:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2294 states, 2293 states have (on average 1.2655909289140863) internal successors, (2902), 2293 states have internal predecessors, (2902), 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) [2023-12-19 03:35:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2902 transitions. [2023-12-19 03:35:10,259 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2902 transitions. Word has length 171 [2023-12-19 03:35:10,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:10,260 INFO L495 AbstractCegarLoop]: Abstraction has 2294 states and 2902 transitions. [2023-12-19 03:35:10,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-19 03:35:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2902 transitions. [2023-12-19 03:35:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-12-19 03:35:10,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:10,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 03:35:10,262 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:10,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:10,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1153325072, now seen corresponding path program 1 times [2023-12-19 03:35:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:10,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991367893] [2023-12-19 03:35:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:10,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991367893] [2023-12-19 03:35:10,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991367893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:10,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:10,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:10,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544153182] [2023-12-19 03:35:10,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:10,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:10,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:10,422 INFO L87 Difference]: Start difference. First operand 2294 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-12-19 03:35:11,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:11,010 INFO L93 Difference]: Finished difference Result 5527 states and 7094 transitions. [2023-12-19 03:35:11,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:11,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 224 [2023-12-19 03:35:11,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:11,020 INFO L225 Difference]: With dead ends: 5527 [2023-12-19 03:35:11,020 INFO L226 Difference]: Without dead ends: 3418 [2023-12-19 03:35:11,023 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 [2023-12-19 03:35:11,038 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:11,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 337 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2023-12-19 03:35:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3217. [2023-12-19 03:35:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3217 states, 3216 states have (on average 1.2378731343283582) internal successors, (3981), 3216 states have internal predecessors, (3981), 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) [2023-12-19 03:35:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 3981 transitions. [2023-12-19 03:35:11,135 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 3981 transitions. Word has length 224 [2023-12-19 03:35:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:11,136 INFO L495 AbstractCegarLoop]: Abstraction has 3217 states and 3981 transitions. [2023-12-19 03:35:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-12-19 03:35:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3981 transitions. [2023-12-19 03:35:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-12-19 03:35:11,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:11,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:11,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 03:35:11,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:11,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash -898552112, now seen corresponding path program 1 times [2023-12-19 03:35:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:11,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783890509] [2023-12-19 03:35:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-19 03:35:11,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:11,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783890509] [2023-12-19 03:35:11,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783890509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:11,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:11,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:11,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239528259] [2023-12-19 03:35:11,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:11,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:11,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:11,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:11,529 INFO L87 Difference]: Start difference. First operand 3217 states and 3981 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2023-12-19 03:35:12,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:12,037 INFO L93 Difference]: Finished difference Result 7370 states and 9142 transitions. [2023-12-19 03:35:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:12,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 225 [2023-12-19 03:35:12,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:12,047 INFO L225 Difference]: With dead ends: 7370 [2023-12-19 03:35:12,047 INFO L226 Difference]: Without dead ends: 4154 [2023-12-19 03:35:12,050 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 [2023-12-19 03:35:12,051 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 157 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:12,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 342 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:35:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2023-12-19 03:35:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 4137. [2023-12-19 03:35:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4137 states, 4136 states have (on average 1.2212282398452612) internal successors, (5051), 4136 states have internal predecessors, (5051), 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) [2023-12-19 03:35:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 5051 transitions. [2023-12-19 03:35:12,104 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 5051 transitions. Word has length 225 [2023-12-19 03:35:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:12,105 INFO L495 AbstractCegarLoop]: Abstraction has 4137 states and 5051 transitions. [2023-12-19 03:35:12,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2023-12-19 03:35:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 5051 transitions. [2023-12-19 03:35:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-12-19 03:35:12,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:12,107 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:12,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 03:35:12,107 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:12,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1504292747, now seen corresponding path program 1 times [2023-12-19 03:35:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:12,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708497768] [2023-12-19 03:35:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-19 03:35:12,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708497768] [2023-12-19 03:35:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708497768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:12,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:12,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446504305] [2023-12-19 03:35:12,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:12,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:12,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:12,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:12,285 INFO L87 Difference]: Start difference. First operand 4137 states and 5051 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2023-12-19 03:35:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:12,858 INFO L93 Difference]: Finished difference Result 9206 states and 11352 transitions. [2023-12-19 03:35:12,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:12,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 226 [2023-12-19 03:35:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:12,892 INFO L225 Difference]: With dead ends: 9206 [2023-12-19 03:35:12,892 INFO L226 Difference]: Without dead ends: 5070 [2023-12-19 03:35:12,898 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 [2023-12-19 03:35:12,915 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 152 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:12,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 376 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:35:12,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5070 states. [2023-12-19 03:35:13,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5070 to 4873. [2023-12-19 03:35:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 4872 states have (on average 1.208743842364532) internal successors, (5889), 4872 states have internal predecessors, (5889), 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) [2023-12-19 03:35:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 5889 transitions. [2023-12-19 03:35:13,055 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 5889 transitions. Word has length 226 [2023-12-19 03:35:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:13,055 INFO L495 AbstractCegarLoop]: Abstraction has 4873 states and 5889 transitions. [2023-12-19 03:35:13,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2023-12-19 03:35:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5889 transitions. [2023-12-19 03:35:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-19 03:35:13,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:13,067 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2023-12-19 03:35:13,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 03:35:13,067 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:13,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:13,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1094529447, now seen corresponding path program 1 times [2023-12-19 03:35:13,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:13,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241068200] [2023-12-19 03:35:13,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:13,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:13,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241068200] [2023-12-19 03:35:13,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241068200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:13,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:13,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:35:13,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486612782] [2023-12-19 03:35:13,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:13,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:13,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:13,459 INFO L87 Difference]: Start difference. First operand 4873 states and 5889 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2023-12-19 03:35:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:14,468 INFO L93 Difference]: Finished difference Result 15869 states and 19334 transitions. [2023-12-19 03:35:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:14,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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 246 [2023-12-19 03:35:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:14,495 INFO L225 Difference]: With dead ends: 15869 [2023-12-19 03:35:14,496 INFO L226 Difference]: Without dead ends: 10997 [2023-12-19 03:35:14,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:14,503 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 289 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:14,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 190 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:35:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10997 states. [2023-12-19 03:35:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10997 to 8952. [2023-12-19 03:35:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8952 states, 8951 states have (on average 1.190816668528656) internal successors, (10659), 8951 states have internal predecessors, (10659), 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) [2023-12-19 03:35:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8952 states to 8952 states and 10659 transitions. [2023-12-19 03:35:14,663 INFO L78 Accepts]: Start accepts. Automaton has 8952 states and 10659 transitions. Word has length 246 [2023-12-19 03:35:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:14,664 INFO L495 AbstractCegarLoop]: Abstraction has 8952 states and 10659 transitions. [2023-12-19 03:35:14,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2023-12-19 03:35:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 8952 states and 10659 transitions. [2023-12-19 03:35:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-12-19 03:35:14,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:14,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2023-12-19 03:35:14,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 03:35:14,668 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:14,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:14,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1960056512, now seen corresponding path program 1 times [2023-12-19 03:35:14,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:14,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34167893] [2023-12-19 03:35:14,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:14,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34167893] [2023-12-19 03:35:14,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34167893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:14,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:14,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:35:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972784972] [2023-12-19 03:35:14,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:14,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:14,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:14,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:14,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:14,917 INFO L87 Difference]: Start difference. First operand 8952 states and 10659 transitions. Second operand has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 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) [2023-12-19 03:35:16,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:16,307 INFO L93 Difference]: Finished difference Result 22712 states and 27382 transitions. [2023-12-19 03:35:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:16,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 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 256 [2023-12-19 03:35:16,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:16,340 INFO L225 Difference]: With dead ends: 22712 [2023-12-19 03:35:16,340 INFO L226 Difference]: Without dead ends: 13761 [2023-12-19 03:35:16,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:16,348 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 298 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:16,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 119 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 03:35:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13761 states. [2023-12-19 03:35:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13761 to 13377. [2023-12-19 03:35:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13377 states, 13376 states have (on average 1.1920604066985645) internal successors, (15945), 13376 states have internal predecessors, (15945), 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) [2023-12-19 03:35:16,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13377 states to 13377 states and 15945 transitions. [2023-12-19 03:35:16,684 INFO L78 Accepts]: Start accepts. Automaton has 13377 states and 15945 transitions. Word has length 256 [2023-12-19 03:35:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:16,685 INFO L495 AbstractCegarLoop]: Abstraction has 13377 states and 15945 transitions. [2023-12-19 03:35:16,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 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) [2023-12-19 03:35:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 13377 states and 15945 transitions. [2023-12-19 03:35:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-19 03:35:16,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:16,690 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1] [2023-12-19 03:35:16,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 03:35:16,690 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:16,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash 418739886, now seen corresponding path program 1 times [2023-12-19 03:35:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:16,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201377192] [2023-12-19 03:35:16,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 62 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 03:35:17,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:17,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201377192] [2023-12-19 03:35:17,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201377192] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:35:17,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265998492] [2023-12-19 03:35:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:35:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:35:17,036 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) [2023-12-19 03:35:17,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 03:35:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:17,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 03:35:17,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:35:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-19 03:35:17,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:35:17,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265998492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:17,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:35:17,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-19 03:35:17,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004928653] [2023-12-19 03:35:17,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:17,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:17,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:17,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:17,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 03:35:17,323 INFO L87 Difference]: Start difference. First operand 13377 states and 15945 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-12-19 03:35:18,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:18,081 INFO L93 Difference]: Finished difference Result 32088 states and 38432 transitions. [2023-12-19 03:35:18,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:18,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 258 [2023-12-19 03:35:18,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:18,107 INFO L225 Difference]: With dead ends: 32088 [2023-12-19 03:35:18,107 INFO L226 Difference]: Without dead ends: 18712 [2023-12-19 03:35:18,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 03:35:18,121 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 155 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:18,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 372 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:35:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18712 states. [2023-12-19 03:35:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18712 to 17788. [2023-12-19 03:35:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1721481981222241) internal successors, (20849), 17787 states have internal predecessors, (20849), 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) [2023-12-19 03:35:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20849 transitions. [2023-12-19 03:35:18,315 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20849 transitions. Word has length 258 [2023-12-19 03:35:18,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:18,315 INFO L495 AbstractCegarLoop]: Abstraction has 17788 states and 20849 transitions. [2023-12-19 03:35:18,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-12-19 03:35:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20849 transitions. [2023-12-19 03:35:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-12-19 03:35:18,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:18,319 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2023-12-19 03:35:18,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 03:35:18,524 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,SelfDestructingSolverStorable11 [2023-12-19 03:35:18,525 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:18,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1553616771, now seen corresponding path program 1 times [2023-12-19 03:35:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:18,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772530727] [2023-12-19 03:35:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:18,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-19 03:35:18,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:18,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772530727] [2023-12-19 03:35:18,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772530727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:18,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:18,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528131662] [2023-12-19 03:35:18,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:18,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:18,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:18,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:18,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:18,716 INFO L87 Difference]: Start difference. First operand 17788 states and 20849 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2023-12-19 03:35:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:19,408 INFO L93 Difference]: Finished difference Result 35585 states and 41717 transitions. [2023-12-19 03:35:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:19,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 263 [2023-12-19 03:35:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:19,436 INFO L225 Difference]: With dead ends: 35585 [2023-12-19 03:35:19,436 INFO L226 Difference]: Without dead ends: 17798 [2023-12-19 03:35:19,453 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 [2023-12-19 03:35:19,453 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 155 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:19,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 374 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:19,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17798 states. [2023-12-19 03:35:19,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17798 to 17787. [2023-12-19 03:35:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17787 states, 17786 states have (on average 1.1440458787810637) internal successors, (20348), 17786 states have internal predecessors, (20348), 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) [2023-12-19 03:35:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17787 states to 17787 states and 20348 transitions. [2023-12-19 03:35:19,624 INFO L78 Accepts]: Start accepts. Automaton has 17787 states and 20348 transitions. Word has length 263 [2023-12-19 03:35:19,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:19,624 INFO L495 AbstractCegarLoop]: Abstraction has 17787 states and 20348 transitions. [2023-12-19 03:35:19,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2023-12-19 03:35:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 17787 states and 20348 transitions. [2023-12-19 03:35:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-12-19 03:35:19,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:19,630 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:19,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 03:35:19,630 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:19,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:19,630 INFO L85 PathProgramCache]: Analyzing trace with hash -816933676, now seen corresponding path program 1 times [2023-12-19 03:35:19,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:19,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796711871] [2023-12-19 03:35:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 141 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:20,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796711871] [2023-12-19 03:35:20,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796711871] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:35:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393168081] [2023-12-19 03:35:20,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:20,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:35:20,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:35:20,106 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) [2023-12-19 03:35:20,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 03:35:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:20,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 03:35:20,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:35:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:35:20,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:35:20,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393168081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:20,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:35:20,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-19 03:35:20,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673541525] [2023-12-19 03:35:20,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:20,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:20,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:20,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:20,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:35:20,506 INFO L87 Difference]: Start difference. First operand 17787 states and 20348 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-12-19 03:35:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:21,385 INFO L93 Difference]: Finished difference Result 35577 states and 40701 transitions. [2023-12-19 03:35:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:21,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 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 277 [2023-12-19 03:35:21,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:21,407 INFO L225 Difference]: With dead ends: 35577 [2023-12-19 03:35:21,408 INFO L226 Difference]: Without dead ends: 17791 [2023-12-19 03:35:21,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:35:21,417 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 190 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:21,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 158 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:35:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17791 states. [2023-12-19 03:35:21,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17791 to 17787. [2023-12-19 03:35:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17787 states, 17786 states have (on average 1.1430338468458339) internal successors, (20330), 17786 states have internal predecessors, (20330), 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) [2023-12-19 03:35:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17787 states to 17787 states and 20330 transitions. [2023-12-19 03:35:21,578 INFO L78 Accepts]: Start accepts. Automaton has 17787 states and 20330 transitions. Word has length 277 [2023-12-19 03:35:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:21,579 INFO L495 AbstractCegarLoop]: Abstraction has 17787 states and 20330 transitions. [2023-12-19 03:35:21,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-12-19 03:35:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 17787 states and 20330 transitions. [2023-12-19 03:35:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-12-19 03:35:21,587 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:21,588 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:35:21,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 03:35:21,791 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,SelfDestructingSolverStorable13 [2023-12-19 03:35:21,792 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:21,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:21,792 INFO L85 PathProgramCache]: Analyzing trace with hash -160373466, now seen corresponding path program 1 times [2023-12-19 03:35:21,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:21,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135055278] [2023-12-19 03:35:21,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:21,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-12-19 03:35:21,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:21,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135055278] [2023-12-19 03:35:21,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135055278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:21,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:21,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:35:21,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087147136] [2023-12-19 03:35:21,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:21,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:21,928 INFO L87 Difference]: Start difference. First operand 17787 states and 20330 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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) [2023-12-19 03:35:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:22,542 INFO L93 Difference]: Finished difference Result 33136 states and 37922 transitions. [2023-12-19 03:35:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:22,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 303 [2023-12-19 03:35:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:22,563 INFO L225 Difference]: With dead ends: 33136 [2023-12-19 03:35:22,563 INFO L226 Difference]: Without dead ends: 15350 [2023-12-19 03:35:22,575 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 [2023-12-19 03:35:22,575 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 124 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:22,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 147 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:35:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15350 states. [2023-12-19 03:35:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15350 to 10740. [2023-12-19 03:35:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10740 states, 10739 states have (on average 1.1163050563367167) internal successors, (11988), 10739 states have internal predecessors, (11988), 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) [2023-12-19 03:35:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10740 states to 10740 states and 11988 transitions. [2023-12-19 03:35:22,801 INFO L78 Accepts]: Start accepts. Automaton has 10740 states and 11988 transitions. Word has length 303 [2023-12-19 03:35:22,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:22,801 INFO L495 AbstractCegarLoop]: Abstraction has 10740 states and 11988 transitions. [2023-12-19 03:35:22,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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) [2023-12-19 03:35:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 10740 states and 11988 transitions. [2023-12-19 03:35:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-12-19 03:35:22,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:22,807 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:35:22,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 03:35:22,807 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:22,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:22,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1318154156, now seen corresponding path program 1 times [2023-12-19 03:35:22,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:22,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387507755] [2023-12-19 03:35:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-12-19 03:35:22,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387507755] [2023-12-19 03:35:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387507755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:22,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:22,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:22,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333896658] [2023-12-19 03:35:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:22,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:22,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:22,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:22,943 INFO L87 Difference]: Start difference. First operand 10740 states and 11988 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2023-12-19 03:35:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:23,519 INFO L93 Difference]: Finished difference Result 23502 states and 26239 transitions. [2023-12-19 03:35:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:23,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 311 [2023-12-19 03:35:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:23,534 INFO L225 Difference]: With dead ends: 23502 [2023-12-19 03:35:23,535 INFO L226 Difference]: Without dead ends: 12763 [2023-12-19 03:35:23,543 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 [2023-12-19 03:35:23,547 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:23,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 142 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:35:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12763 states. [2023-12-19 03:35:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12763 to 10923. [2023-12-19 03:35:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10923 states, 10922 states have (on average 1.1170115363486541) internal successors, (12200), 10922 states have internal predecessors, (12200), 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) [2023-12-19 03:35:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10923 states to 10923 states and 12200 transitions. [2023-12-19 03:35:23,661 INFO L78 Accepts]: Start accepts. Automaton has 10923 states and 12200 transitions. Word has length 311 [2023-12-19 03:35:23,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:23,662 INFO L495 AbstractCegarLoop]: Abstraction has 10923 states and 12200 transitions. [2023-12-19 03:35:23,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2023-12-19 03:35:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 10923 states and 12200 transitions. [2023-12-19 03:35:23,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-19 03:35:23,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:23,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:35:23,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 03:35:23,667 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:23,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:23,668 INFO L85 PathProgramCache]: Analyzing trace with hash 304444686, now seen corresponding path program 1 times [2023-12-19 03:35:23,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:23,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136017170] [2023-12-19 03:35:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-19 03:35:24,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:24,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136017170] [2023-12-19 03:35:24,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136017170] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:24,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:24,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:35:24,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733615464] [2023-12-19 03:35:24,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:24,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:24,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:24,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:24,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:24,123 INFO L87 Difference]: Start difference. First operand 10923 states and 12200 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2023-12-19 03:35:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:25,142 INFO L93 Difference]: Finished difference Result 27403 states and 30589 transitions. [2023-12-19 03:35:25,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:25,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 315 [2023-12-19 03:35:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:25,159 INFO L225 Difference]: With dead ends: 27403 [2023-12-19 03:35:25,159 INFO L226 Difference]: Without dead ends: 15740 [2023-12-19 03:35:25,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:25,168 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 295 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:25,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 396 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:35:25,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15740 states. [2023-12-19 03:35:25,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15740 to 12412. [2023-12-19 03:35:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12412 states, 12411 states have (on average 1.1173958585126098) internal successors, (13868), 12411 states have internal predecessors, (13868), 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) [2023-12-19 03:35:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12412 states to 12412 states and 13868 transitions. [2023-12-19 03:35:25,302 INFO L78 Accepts]: Start accepts. Automaton has 12412 states and 13868 transitions. Word has length 315 [2023-12-19 03:35:25,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:25,302 INFO L495 AbstractCegarLoop]: Abstraction has 12412 states and 13868 transitions. [2023-12-19 03:35:25,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2023-12-19 03:35:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12412 states and 13868 transitions. [2023-12-19 03:35:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-12-19 03:35:25,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:25,308 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-19 03:35:25,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 03:35:25,308 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:25,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1940034506, now seen corresponding path program 1 times [2023-12-19 03:35:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:25,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963838375] [2023-12-19 03:35:25,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 174 proven. 128 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 03:35:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963838375] [2023-12-19 03:35:25,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963838375] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:35:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871408448] [2023-12-19 03:35:25,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:25,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:35:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:35:25,972 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) [2023-12-19 03:35:26,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 03:35:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:26,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 03:35:26,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:35:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 03:35:26,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:35:26,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871408448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:26,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:35:26,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-19 03:35:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672980716] [2023-12-19 03:35:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:26,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:26,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 03:35:26,472 INFO L87 Difference]: Start difference. First operand 12412 states and 13868 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 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) [2023-12-19 03:35:27,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:27,221 INFO L93 Difference]: Finished difference Result 25009 states and 27927 transitions. [2023-12-19 03:35:27,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:27,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 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 331 [2023-12-19 03:35:27,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:27,235 INFO L225 Difference]: With dead ends: 25009 [2023-12-19 03:35:27,235 INFO L226 Difference]: Without dead ends: 12598 [2023-12-19 03:35:27,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 03:35:27,246 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 292 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:27,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 148 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:35:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12598 states. [2023-12-19 03:35:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12598 to 12412. [2023-12-19 03:35:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12412 states, 12411 states have (on average 1.1164289742969946) internal successors, (13856), 12411 states have internal predecessors, (13856), 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) [2023-12-19 03:35:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12412 states to 12412 states and 13856 transitions. [2023-12-19 03:35:27,443 INFO L78 Accepts]: Start accepts. Automaton has 12412 states and 13856 transitions. Word has length 331 [2023-12-19 03:35:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:27,443 INFO L495 AbstractCegarLoop]: Abstraction has 12412 states and 13856 transitions. [2023-12-19 03:35:27,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 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) [2023-12-19 03:35:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 12412 states and 13856 transitions. [2023-12-19 03:35:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-19 03:35:27,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:27,449 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:27,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 03:35:27,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-19 03:35:27,654 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:27,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:27,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1681842053, now seen corresponding path program 1 times [2023-12-19 03:35:27,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:27,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69626722] [2023-12-19 03:35:27,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:27,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-19 03:35:27,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:27,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69626722] [2023-12-19 03:35:27,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69626722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:27,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:27,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:35:27,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851670632] [2023-12-19 03:35:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:27,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:27,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:27,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:27,979 INFO L87 Difference]: Start difference. First operand 12412 states and 13856 transitions. Second operand has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 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) [2023-12-19 03:35:29,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:29,187 INFO L93 Difference]: Finished difference Result 29070 states and 32392 transitions. [2023-12-19 03:35:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 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 353 [2023-12-19 03:35:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:29,198 INFO L225 Difference]: With dead ends: 29070 [2023-12-19 03:35:29,198 INFO L226 Difference]: Without dead ends: 16102 [2023-12-19 03:35:29,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:29,203 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 289 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:29,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 364 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 03:35:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16102 states. [2023-12-19 03:35:29,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16102 to 10549. [2023-12-19 03:35:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10549 states, 10548 states have (on average 1.1117747440273038) internal successors, (11727), 10548 states have internal predecessors, (11727), 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) [2023-12-19 03:35:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10549 states to 10549 states and 11727 transitions. [2023-12-19 03:35:29,321 INFO L78 Accepts]: Start accepts. Automaton has 10549 states and 11727 transitions. Word has length 353 [2023-12-19 03:35:29,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:29,321 INFO L495 AbstractCegarLoop]: Abstraction has 10549 states and 11727 transitions. [2023-12-19 03:35:29,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.5) internal successors, (258), 4 states have internal predecessors, (258), 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) [2023-12-19 03:35:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 10549 states and 11727 transitions. [2023-12-19 03:35:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-12-19 03:35:29,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:29,329 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:35:29,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 03:35:29,329 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:29,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:29,329 INFO L85 PathProgramCache]: Analyzing trace with hash -168553063, now seen corresponding path program 1 times [2023-12-19 03:35:29,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:29,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278254016] [2023-12-19 03:35:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-19 03:35:29,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:29,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278254016] [2023-12-19 03:35:29,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278254016] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:29,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:29,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:35:29,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710631016] [2023-12-19 03:35:29,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:29,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:29,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:29,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:29,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:29,732 INFO L87 Difference]: Start difference. First operand 10549 states and 11727 transitions. Second operand has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 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) [2023-12-19 03:35:30,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:30,553 INFO L93 Difference]: Finished difference Result 23311 states and 25814 transitions. [2023-12-19 03:35:30,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:30,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 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 366 [2023-12-19 03:35:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:30,566 INFO L225 Difference]: With dead ends: 23311 [2023-12-19 03:35:30,567 INFO L226 Difference]: Without dead ends: 12763 [2023-12-19 03:35:30,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:30,574 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 310 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:30,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 54 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:35:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12763 states. [2023-12-19 03:35:30,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12763 to 10176. [2023-12-19 03:35:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10176 states, 10175 states have (on average 1.1077149877149877) internal successors, (11271), 10175 states have internal predecessors, (11271), 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) [2023-12-19 03:35:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 10176 states and 11271 transitions. [2023-12-19 03:35:30,667 INFO L78 Accepts]: Start accepts. Automaton has 10176 states and 11271 transitions. Word has length 366 [2023-12-19 03:35:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:30,668 INFO L495 AbstractCegarLoop]: Abstraction has 10176 states and 11271 transitions. [2023-12-19 03:35:30,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 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) [2023-12-19 03:35:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 10176 states and 11271 transitions. [2023-12-19 03:35:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-12-19 03:35:30,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:30,675 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:35:30,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 03:35:30,675 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:30,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:30,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2068328638, now seen corresponding path program 1 times [2023-12-19 03:35:30,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:30,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120162614] [2023-12-19 03:35:30,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:30,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-19 03:35:30,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:30,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120162614] [2023-12-19 03:35:30,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120162614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:30,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:30,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:30,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676539852] [2023-12-19 03:35:30,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:30,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:30,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:30,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:30,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:30,895 INFO L87 Difference]: Start difference. First operand 10176 states and 11271 transitions. Second operand has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 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) [2023-12-19 03:35:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:31,716 INFO L93 Difference]: Finished difference Result 27178 states and 30080 transitions. [2023-12-19 03:35:31,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:31,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 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 [2023-12-19 03:35:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:31,732 INFO L225 Difference]: With dead ends: 27178 [2023-12-19 03:35:31,732 INFO L226 Difference]: Without dead ends: 17003 [2023-12-19 03:35:31,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:31,740 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 220 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:31,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 61 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:35:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17003 states. [2023-12-19 03:35:31,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17003 to 15890. [2023-12-19 03:35:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15890 states, 15889 states have (on average 1.1056705897161558) internal successors, (17568), 15889 states have internal predecessors, (17568), 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) [2023-12-19 03:35:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15890 states to 15890 states and 17568 transitions. [2023-12-19 03:35:31,883 INFO L78 Accepts]: Start accepts. Automaton has 15890 states and 17568 transitions. Word has length 401 [2023-12-19 03:35:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:31,883 INFO L495 AbstractCegarLoop]: Abstraction has 15890 states and 17568 transitions. [2023-12-19 03:35:31,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 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) [2023-12-19 03:35:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15890 states and 17568 transitions. [2023-12-19 03:35:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2023-12-19 03:35:31,899 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:31,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:31,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 03:35:31,900 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:31,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1182879451, now seen corresponding path program 1 times [2023-12-19 03:35:31,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:31,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217366679] [2023-12-19 03:35:31,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:31,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 675 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-19 03:35:32,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:32,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217366679] [2023-12-19 03:35:32,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217366679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:32,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:32,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:32,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130994202] [2023-12-19 03:35:32,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:32,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:35:32,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:35:32,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:32,167 INFO L87 Difference]: Start difference. First operand 15890 states and 17568 transitions. Second operand has 4 states, 4 states have (on average 94.25) internal successors, (377), 3 states have internal predecessors, (377), 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) [2023-12-19 03:35:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:32,918 INFO L93 Difference]: Finished difference Result 30496 states and 33715 transitions. [2023-12-19 03:35:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:35:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.25) internal successors, (377), 3 states have internal predecessors, (377), 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 546 [2023-12-19 03:35:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:32,934 INFO L225 Difference]: With dead ends: 30496 [2023-12-19 03:35:32,935 INFO L226 Difference]: Without dead ends: 17003 [2023-12-19 03:35:32,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:35:32,943 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 195 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:32,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 61 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:35:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17003 states. [2023-12-19 03:35:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17003 to 15706. [2023-12-19 03:35:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15706 states, 15705 states have (on average 1.1050620821394461) internal successors, (17355), 15705 states have internal predecessors, (17355), 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) [2023-12-19 03:35:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 17355 transitions. [2023-12-19 03:35:33,126 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 17355 transitions. Word has length 546 [2023-12-19 03:35:33,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:33,126 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 17355 transitions. [2023-12-19 03:35:33,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.25) internal successors, (377), 3 states have internal predecessors, (377), 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) [2023-12-19 03:35:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 17355 transitions. [2023-12-19 03:35:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2023-12-19 03:35:33,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:33,141 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:33,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 03:35:33,141 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:33,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:33,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1514925947, now seen corresponding path program 1 times [2023-12-19 03:35:33,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:33,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269086860] [2023-12-19 03:35:33,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-12-19 03:35:33,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:33,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269086860] [2023-12-19 03:35:33,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269086860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:33,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:33,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:33,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556546000] [2023-12-19 03:35:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:33,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:33,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:33,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:33,399 INFO L87 Difference]: Start difference. First operand 15706 states and 17355 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2023-12-19 03:35:34,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:34,012 INFO L93 Difference]: Finished difference Result 29217 states and 32304 transitions. [2023-12-19 03:35:34,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:34,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 560 [2023-12-19 03:35:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:34,026 INFO L225 Difference]: With dead ends: 29217 [2023-12-19 03:35:34,027 INFO L226 Difference]: Without dead ends: 15724 [2023-12-19 03:35:34,036 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 [2023-12-19 03:35:34,036 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 101 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:34,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 158 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:35:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15724 states. [2023-12-19 03:35:34,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15724 to 15338. [2023-12-19 03:35:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15338 states, 15337 states have (on average 1.0973462867575146) internal successors, (16830), 15337 states have internal predecessors, (16830), 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) [2023-12-19 03:35:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15338 states to 15338 states and 16830 transitions. [2023-12-19 03:35:34,170 INFO L78 Accepts]: Start accepts. Automaton has 15338 states and 16830 transitions. Word has length 560 [2023-12-19 03:35:34,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:34,171 INFO L495 AbstractCegarLoop]: Abstraction has 15338 states and 16830 transitions. [2023-12-19 03:35:34,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2023-12-19 03:35:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15338 states and 16830 transitions. [2023-12-19 03:35:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2023-12-19 03:35:34,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:35:34,185 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:35:34,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-19 03:35:34,185 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:35:34,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:35:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1393414426, now seen corresponding path program 1 times [2023-12-19 03:35:34,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:35:34,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509081225] [2023-12-19 03:35:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:35:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:35:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:35:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-12-19 03:35:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:35:34,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509081225] [2023-12-19 03:35:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509081225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:35:34,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:35:34,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:35:34,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740047386] [2023-12-19 03:35:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:35:34,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:35:34,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:35:34,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:35:34,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:35:34,436 INFO L87 Difference]: Start difference. First operand 15338 states and 16830 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2023-12-19 03:35:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:35:34,957 INFO L93 Difference]: Finished difference Result 31774 states and 34828 transitions. [2023-12-19 03:35:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:35:34,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 [2023-12-19 03:35:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:35:34,982 INFO L225 Difference]: With dead ends: 31774 [2023-12-19 03:35:34,982 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 03:35:34,993 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 [2023-12-19 03:35:34,994 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 100 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:35:34,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 125 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:35:34,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 03:35:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 03:35:34,995 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) [2023-12-19 03:35:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 03:35:34,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 561 [2023-12-19 03:35:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:35:34,995 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 03:35:34,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2023-12-19 03:35:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 03:35:34,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 03:35:35,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 03:35:35,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-19 03:35:35,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 03:35:41,582 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-19 03:35:41,582 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,583 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,584 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,585 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse9 (<= ~a29~0 140)) (.cse7 (= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse14 (<= ~a23~0 137)) (.cse8 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599999)) (.cse12 (= ~a25~0 9)) (.cse1 (= ~a4~0 1)) (.cse13 (<= ~a29~0 275)) (.cse10 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse11 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= 312 ~a23~0) .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse1) (and (<= 307 ~a23~0) .cse6 .cse1 .cse7) (and .cse3 .cse5 .cse2) (and .cse8 .cse6 .cse1) (and .cse9 .cse10 .cse11 .cse12) (and .cse10 .cse7 .cse2) (and .cse13 .cse4 .cse10) (and .cse8 .cse10 (<= (+ 35913 ~a29~0) 0) .cse14) (and .cse13 .cse1 .cse7) (and .cse3 .cse10 .cse6 .cse12) (and .cse3 .cse10 .cse5 .cse6) (and .cse9 .cse10 .cse11 .cse7) (and .cse4 .cse6 .cse1) (and .cse5 .cse1 .cse14) (and .cse4 .cse10 .cse6 .cse14) (and .cse8 .cse3 .cse13 .cse10) (and (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse12) (and .cse13 .cse0 .cse11 .cse1) (and .cse3 .cse0 .cse1)) .cse6) (and .cse6 .cse12 .cse1) (and .cse13 .cse10 .cse5 .cse11))) [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,586 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,587 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,588 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,589 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,590 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,591 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,592 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,593 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,594 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-19 03:35:41,596 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-19 03:35:41,597 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 03:35:41,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:35:41 BoogieIcfgContainer [2023-12-19 03:35:41,621 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 03:35:41,622 INFO L158 Benchmark]: Toolchain (without parser) took 38425.55ms. Allocated memory was 273.7MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 223.4MB in the beginning and 851.6MB in the end (delta: -628.2MB). Peak memory consumption was 728.4MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,622 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 03:35:41,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.33ms. Allocated memory is still 273.7MB. Free memory was 222.9MB in the beginning and 177.3MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.56ms. Allocated memory is still 273.7MB. Free memory was 177.3MB in the beginning and 221.1MB in the end (delta: -43.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,622 INFO L158 Benchmark]: Boogie Preprocessor took 117.28ms. Allocated memory is still 273.7MB. Free memory was 221.1MB in the beginning and 195.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,622 INFO L158 Benchmark]: RCFGBuilder took 1439.22ms. Allocated memory is still 273.7MB. Free memory was 195.9MB in the beginning and 146.3MB in the end (delta: 49.6MB). Peak memory consumption was 92.6MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,623 INFO L158 Benchmark]: TraceAbstraction took 36148.13ms. Allocated memory was 273.7MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 145.8MB in the beginning and 851.6MB in the end (delta: -705.8MB). Peak memory consumption was 650.4MB. Max. memory is 8.0GB. [2023-12-19 03:35:41,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 573.33ms. Allocated memory is still 273.7MB. Free memory was 222.9MB in the beginning and 177.3MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 141.56ms. Allocated memory is still 273.7MB. Free memory was 177.3MB in the beginning and 221.1MB in the end (delta: -43.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 117.28ms. Allocated memory is still 273.7MB. Free memory was 221.1MB in the beginning and 195.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1439.22ms. Allocated memory is still 273.7MB. Free memory was 195.9MB in the beginning and 146.3MB in the end (delta: 49.6MB). Peak memory consumption was 92.6MB. Max. memory is 8.0GB. * TraceAbstraction took 36148.13ms. Allocated memory was 273.7MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 145.8MB in the beginning and 851.6MB in the end (delta: -705.8MB). Peak memory consumption was 650.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 151]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.1s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4358 SdHoareTripleChecker+Valid, 15.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4358 mSDsluCounter, 5202 SdHoareTripleChecker+Invalid, 12.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 2102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17007 IncrementalHoareTripleChecker+Invalid, 19109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2102 mSolverCounterUnsat, 4574 mSDtfsCounter, 17007 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 896 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17788occurred in iteration=12, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 24 MinimizatonAttempts, 24702 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 100 NumberOfFragments, 287 HoareAnnotationTreeSize, 1 FormulaSimplifications, 62052 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 1 FormulaSimplificationsInter, 9813 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 7528 NumberOfCodeBlocks, 7528 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7501 ConstructedInterpolants, 0 QuantifiedInterpolants, 23029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1222 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 7701/7924 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 <= 10) && (a4 == 1)) && (312 <= a23)) && (a29 <= 130)) || ((((a23 + 43) <= 0) && (a25 == 12)) && (a29 <= 220))) || (((a25 == 11) && (a29 <= 599999)) && (a4 == 1))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a23 + 43) <= 0) && (a25 == 11)) && (a29 <= 130))) || (((a25 == 13) && (a29 <= 599999)) && (a4 == 1))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 == 9))) || (((a4 == 0) && (a25 == 10)) && (a29 <= 130))) || (((a29 <= 275) && (a25 == 12)) && (a4 == 0))) || ((((a25 == 13) && (a4 == 0)) && ((35913 + a29) <= 0)) && (a23 <= 137))) || (((a29 <= 275) && (a4 == 1)) && (a25 == 10))) || (((((a23 + 43) <= 0) && (a4 == 0)) && (a29 <= 599999)) && (a25 == 9))) || (((((a23 + 43) <= 0) && (a4 == 0)) && (a25 == 11)) && (a29 <= 599999))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 == 10))) || (((a25 == 12) && (a29 <= 599999)) && (a4 == 1))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((((a25 == 12) && (a4 == 0)) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && ((a23 + 43) <= 0)) && (a29 <= 275)) && (a4 == 0))) || (((((((a23 + 43) <= 0) && ((a29 + 275824) <= 0)) && (a25 == 9)) || ((((a29 <= 275) && (a25 <= 10)) && (a23 <= 262)) && (a4 == 1))) || ((((a23 + 43) <= 0) && (a25 <= 10)) && (a4 == 1))) && (a29 <= 599999))) || (((a29 <= 599999) && (a25 == 9)) && (a4 == 1))) || ((((a29 <= 275) && (a4 == 0)) && (a25 == 11)) && (a23 <= 262))) RESULT: Ultimate proved your program to be correct! [2023-12-19 03:35:41,635 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...