/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_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 03:33:41,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 03:33:41,124 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 03:33:41,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 03:33:41,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 03:33:41,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 03:33:41,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 03:33:41,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 03:33:41,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 03:33:41,159 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 03:33:41,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 03:33:41,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 03:33:41,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 03:33:41,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 03:33:41,162 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 03:33:41,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 03:33:41,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 03:33:41,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 03:33:41,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 03:33:41,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 03:33:41,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 03:33:41,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 03:33:41,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 03:33:41,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 03:33:41,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 03:33:41,165 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 03:33:41,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 03:33:41,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 03:33:41,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 03:33:41,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:33:41,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 03:33:41,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 03:33:41,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 03:33:41,168 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 03:33:41,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 03:33:41,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 03:33:41,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 03:33:41,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 03:33:41,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 03:33:41,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 03:33:41,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 03:33:41,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 03:33:41,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35.c [2023-12-19 03:33:42,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 03:33:42,838 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 03:33:42,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35.c [2023-12-19 03:33:42,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b0c6e64/b5e230cae26c454bad425df7ceb100ae/FLAGee352ce5b [2023-12-19 03:33:42,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b0c6e64/b5e230cae26c454bad425df7ceb100ae [2023-12-19 03:33:42,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 03:33:42,862 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 03:33:42,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 03:33:42,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 03:33:42,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 03:33:42,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:33:42" (1/1) ... [2023-12-19 03:33:42,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6a08b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:42, skipping insertion in model container [2023-12-19 03:33:42,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:33:42" (1/1) ... [2023-12-19 03:33:42,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 03:33:43,076 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_label35.c[8398,8411] [2023-12-19 03:33:43,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:33:43,231 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 03:33:43,269 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_label35.c[8398,8411] [2023-12-19 03:33:43,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:33:43,455 INFO L206 MainTranslator]: Completed translation [2023-12-19 03:33:43,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43 WrapperNode [2023-12-19 03:33:43,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 03:33:43,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 03:33:43,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 03:33:43,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 03:33:43,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,564 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-19 03:33:43,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 03:33:43,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 03:33:43,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 03:33:43,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 03:33:43,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,637 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 03:33:43,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 03:33:43,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 03:33:43,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 03:33:43,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 03:33:43,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (1/1) ... [2023-12-19 03:33:43,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:33:43,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:33:43,782 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 03:33:43,843 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 03:33:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 03:33:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 03:33:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 03:33:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 03:33:43,916 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 03:33:43,918 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 03:33:45,030 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 03:33:45,066 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 03:33:45,066 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 03:33:45,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:33:45 BoogieIcfgContainer [2023-12-19 03:33:45,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 03:33:45,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 03:33:45,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 03:33:45,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 03:33:45,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:33:42" (1/3) ... [2023-12-19 03:33:45,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dc33b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:33:45, skipping insertion in model container [2023-12-19 03:33:45,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:33:43" (2/3) ... [2023-12-19 03:33:45,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dc33b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:33:45, skipping insertion in model container [2023-12-19 03:33:45,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:33:45" (3/3) ... [2023-12-19 03:33:45,072 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35.c [2023-12-19 03:33:45,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 03:33:45,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 03:33:45,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 03:33:45,120 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;@5c326d5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 03:33:45,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 03:33:45,123 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 03:33:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-19 03:33:45,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:45,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:33:45,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:45,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash 132154064, now seen corresponding path program 1 times [2023-12-19 03:33:45,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:45,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701501767] [2023-12-19 03:33:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:45,241 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 03:33:45,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:45,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701501767] [2023-12-19 03:33:45,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701501767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:45,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:45,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:33:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159926553] [2023-12-19 03:33:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:45,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 03:33:45,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 03:33:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:33:45,271 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 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:45,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:45,302 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-19 03:33:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 03:33:45,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-19 03:33:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:45,312 INFO L225 Difference]: With dead ends: 441 [2023-12-19 03:33:45,312 INFO L226 Difference]: Without dead ends: 219 [2023-12-19 03:33:45,315 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 03:33:45,317 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 03:33:45,317 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 03:33:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-19 03:33:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-19 03:33:45,357 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 03:33:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-19 03:33:45,359 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 57 [2023-12-19 03:33:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:45,359 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-19 03:33:45,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-19 03:33:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-19 03:33:45,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:45,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:33:45,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 03:33:45,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:45,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash -930186340, now seen corresponding path program 1 times [2023-12-19 03:33:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:45,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225184787] [2023-12-19 03:33:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:45,500 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 03:33:45,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:45,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225184787] [2023-12-19 03:33:45,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225184787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:45,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:45,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:33:45,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975538828] [2023-12-19 03:33:45,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:45,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:45,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:45,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:45,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:45,506 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:46,256 INFO L93 Difference]: Finished difference Result 630 states and 1029 transitions. [2023-12-19 03:33:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-19 03:33:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:46,258 INFO L225 Difference]: With dead ends: 630 [2023-12-19 03:33:46,258 INFO L226 Difference]: Without dead ends: 412 [2023-12-19 03:33:46,259 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 03:33:46,260 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 150 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 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, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:46,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 144 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:33:46,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-19 03:33:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 410. [2023-12-19 03:33:46,275 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 03:33:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 597 transitions. [2023-12-19 03:33:46,277 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 597 transitions. Word has length 57 [2023-12-19 03:33:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:46,278 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 597 transitions. [2023-12-19 03:33:46,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 597 transitions. [2023-12-19 03:33:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-19 03:33:46,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:46,281 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, 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 03:33:46,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 03:33:46,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:46,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -951919564, now seen corresponding path program 1 times [2023-12-19 03:33:46,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:46,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605466542] [2023-12-19 03:33:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:46,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:46,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605466542] [2023-12-19 03:33:46,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605466542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:46,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:46,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:33:46,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881617363] [2023-12-19 03:33:46,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:46,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:46,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:46,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:46,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:46,497 INFO L87 Difference]: Start difference. First operand 410 states and 597 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 03:33:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:47,076 INFO L93 Difference]: Finished difference Result 1208 states and 1764 transitions. [2023-12-19 03:33:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:47,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2023-12-19 03:33:47,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:47,080 INFO L225 Difference]: With dead ends: 1208 [2023-12-19 03:33:47,080 INFO L226 Difference]: Without dead ends: 799 [2023-12-19 03:33:47,081 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 03:33:47,082 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 03:33:47,082 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 03:33:47,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-19 03:33:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 786. [2023-12-19 03:33:47,099 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 03:33:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1088 transitions. [2023-12-19 03:33:47,101 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1088 transitions. Word has length 125 [2023-12-19 03:33:47,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:47,102 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1088 transitions. [2023-12-19 03:33:47,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 03:33:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1088 transitions. [2023-12-19 03:33:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 03:33:47,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:47,104 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:33:47,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 03:33:47,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:47,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 264706866, now seen corresponding path program 1 times [2023-12-19 03:33:47,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:47,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654753519] [2023-12-19 03:33:47,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:47,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:47,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654753519] [2023-12-19 03:33:47,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654753519] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:47,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:47,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:33:47,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542462611] [2023-12-19 03:33:47,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:47,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:47,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:47,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:47,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:47,393 INFO L87 Difference]: Start difference. First operand 786 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 03:33:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:47,989 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2023-12-19 03:33:47,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:47,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 126 [2023-12-19 03:33:47,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:47,993 INFO L225 Difference]: With dead ends: 1941 [2023-12-19 03:33:47,993 INFO L226 Difference]: Without dead ends: 1156 [2023-12-19 03:33:47,995 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 03:33:47,995 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 03:33:47,996 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 03:33:47,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-12-19 03:33:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1155. [2023-12-19 03:33:48,013 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 03:33:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1475 transitions. [2023-12-19 03:33:48,015 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1475 transitions. Word has length 126 [2023-12-19 03:33:48,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:48,016 INFO L495 AbstractCegarLoop]: Abstraction has 1155 states and 1475 transitions. [2023-12-19 03:33:48,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 03:33:48,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1475 transitions. [2023-12-19 03:33:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-19 03:33:48,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:48,018 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, 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] [2023-12-19 03:33:48,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 03:33:48,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:48,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:48,019 INFO L85 PathProgramCache]: Analyzing trace with hash 649528056, now seen corresponding path program 1 times [2023-12-19 03:33:48,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:48,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052055353] [2023-12-19 03:33:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-19 03:33:48,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:48,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052055353] [2023-12-19 03:33:48,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052055353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:48,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:48,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:33:48,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129829295] [2023-12-19 03:33:48,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:48,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:48,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:48,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:48,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:48,183 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 03:33:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:48,820 INFO L93 Difference]: Finished difference Result 2501 states and 3338 transitions. [2023-12-19 03:33:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:48,822 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 169 [2023-12-19 03:33:48,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:48,826 INFO L225 Difference]: With dead ends: 2501 [2023-12-19 03:33:48,826 INFO L226 Difference]: Without dead ends: 1531 [2023-12-19 03:33:48,828 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 03:33:48,831 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 03:33:48,832 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 03:33:48,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2023-12-19 03:33:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2023-12-19 03:33:48,851 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 03:33:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1931 transitions. [2023-12-19 03:33:48,854 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1931 transitions. Word has length 169 [2023-12-19 03:33:48,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:48,855 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1931 transitions. [2023-12-19 03:33:48,856 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 03:33:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1931 transitions. [2023-12-19 03:33:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-19 03:33:48,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:48,858 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, 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] [2023-12-19 03:33:48,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 03:33:48,859 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:48,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:48,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1196936717, now seen corresponding path program 1 times [2023-12-19 03:33:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:48,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033427046] [2023-12-19 03:33:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:48,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:49,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:49,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033427046] [2023-12-19 03:33:49,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033427046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:49,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:49,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:33:49,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221174071] [2023-12-19 03:33:49,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:49,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:33:49,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:49,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:33:49,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:33:49,035 INFO L87 Difference]: Start difference. First operand 1531 states and 1931 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 states have internal predecessors, (184), 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 03:33:50,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:50,013 INFO L93 Difference]: Finished difference Result 4930 states and 6395 transitions. [2023-12-19 03:33:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:33:50,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 states have internal predecessors, (184), 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 184 [2023-12-19 03:33:50,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:50,023 INFO L225 Difference]: With dead ends: 4930 [2023-12-19 03:33:50,024 INFO L226 Difference]: Without dead ends: 3584 [2023-12-19 03:33:50,026 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 03:33:50,027 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 306 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:50,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 92 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:33:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2023-12-19 03:33:50,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3583. [2023-12-19 03:33:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 3582 states have (on average 1.254606365159129) internal successors, (4494), 3582 states have internal predecessors, (4494), 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 03:33:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4494 transitions. [2023-12-19 03:33:50,077 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4494 transitions. Word has length 184 [2023-12-19 03:33:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:50,078 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4494 transitions. [2023-12-19 03:33:50,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 states have internal predecessors, (184), 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 03:33:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4494 transitions. [2023-12-19 03:33:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-19 03:33:50,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:50,081 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:33:50,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 03:33:50,081 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:50,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1298625936, now seen corresponding path program 1 times [2023-12-19 03:33:50,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:50,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007213668] [2023-12-19 03:33:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:50,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:50,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007213668] [2023-12-19 03:33:50,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007213668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:50,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:50,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:33:50,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399226638] [2023-12-19 03:33:50,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:50,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:50,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:50,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:50,294 INFO L87 Difference]: Start difference. First operand 3583 states and 4494 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 03:33:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:50,907 INFO L93 Difference]: Finished difference Result 8286 states and 10611 transitions. [2023-12-19 03:33:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:50,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 237 [2023-12-19 03:33:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:50,921 INFO L225 Difference]: With dead ends: 8286 [2023-12-19 03:33:50,922 INFO L226 Difference]: Without dead ends: 5072 [2023-12-19 03:33:50,926 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 03:33:50,927 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:50,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 344 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:33:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2023-12-19 03:33:50,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5057. [2023-12-19 03:33:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5057 states, 5056 states have (on average 1.2278481012658229) internal successors, (6208), 5056 states have internal predecessors, (6208), 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 03:33:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6208 transitions. [2023-12-19 03:33:51,013 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6208 transitions. Word has length 237 [2023-12-19 03:33:51,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:51,015 INFO L495 AbstractCegarLoop]: Abstraction has 5057 states and 6208 transitions. [2023-12-19 03:33:51,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 03:33:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6208 transitions. [2023-12-19 03:33:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-12-19 03:33:51,017 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:51,018 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:51,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 03:33:51,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:51,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1312140630, now seen corresponding path program 1 times [2023-12-19 03:33:51,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:51,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740398481] [2023-12-19 03:33:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-19 03:33:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:51,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740398481] [2023-12-19 03:33:51,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740398481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:51,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:51,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:33:51,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165567879] [2023-12-19 03:33:51,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:51,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:51,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:51,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:51,281 INFO L87 Difference]: Start difference. First operand 5057 states and 6208 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 03:33:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:51,878 INFO L93 Difference]: Finished difference Result 11052 states and 13654 transitions. [2023-12-19 03:33:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:51,879 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 238 [2023-12-19 03:33:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:51,897 INFO L225 Difference]: With dead ends: 11052 [2023-12-19 03:33:51,897 INFO L226 Difference]: Without dead ends: 6364 [2023-12-19 03:33:51,904 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 03:33:51,905 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 144 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:51,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 343 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:33:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2023-12-19 03:33:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 6345. [2023-12-19 03:33:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6345 states, 6344 states have (on average 1.2137452711223202) internal successors, (7700), 6344 states have internal predecessors, (7700), 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 03:33:52,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 7700 transitions. [2023-12-19 03:33:52,002 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 7700 transitions. Word has length 238 [2023-12-19 03:33:52,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:52,003 INFO L495 AbstractCegarLoop]: Abstraction has 6345 states and 7700 transitions. [2023-12-19 03:33:52,003 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 03:33:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 7700 transitions. [2023-12-19 03:33:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-12-19 03:33:52,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:52,006 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:33:52,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 03:33:52,006 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:52,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash 667935211, now seen corresponding path program 1 times [2023-12-19 03:33:52,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:52,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971580799] [2023-12-19 03:33:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-19 03:33:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971580799] [2023-12-19 03:33:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971580799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:52,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:33:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138798202] [2023-12-19 03:33:52,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:52,179 INFO L87 Difference]: Start difference. First operand 6345 states and 7700 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 03:33:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:52,819 INFO L93 Difference]: Finished difference Result 13620 states and 16780 transitions. [2023-12-19 03:33:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:52,820 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 239 [2023-12-19 03:33:52,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:52,846 INFO L225 Difference]: With dead ends: 13620 [2023-12-19 03:33:52,847 INFO L226 Difference]: Without dead ends: 7644 [2023-12-19 03:33:52,854 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 03:33:52,856 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 139 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:52,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 368 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:33:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2023-12-19 03:33:53,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 7449. [2023-12-19 03:33:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7449 states, 7448 states have (on average 1.2070354457572503) internal successors, (8990), 7448 states have internal predecessors, (8990), 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 03:33:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7449 states to 7449 states and 8990 transitions. [2023-12-19 03:33:53,024 INFO L78 Accepts]: Start accepts. Automaton has 7449 states and 8990 transitions. Word has length 239 [2023-12-19 03:33:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:53,025 INFO L495 AbstractCegarLoop]: Abstraction has 7449 states and 8990 transitions. [2023-12-19 03:33:53,025 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 03:33:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7449 states and 8990 transitions. [2023-12-19 03:33:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-19 03:33:53,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:53,029 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, 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, 1, 1, 1, 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 03:33:53,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 03:33:53,029 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:53,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2014641799, now seen corresponding path program 1 times [2023-12-19 03:33:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:53,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462540666] [2023-12-19 03:33:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:53,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:53,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462540666] [2023-12-19 03:33:53,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462540666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:53,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:53,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:33:53,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620223749] [2023-12-19 03:33:53,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:53,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:33:53,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:53,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:33:53,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:33:53,311 INFO L87 Difference]: Start difference. First operand 7449 states and 8990 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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 03:33:54,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:54,579 INFO L93 Difference]: Finished difference Result 21200 states and 26190 transitions. [2023-12-19 03:33:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:33:54,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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 259 [2023-12-19 03:33:54,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:54,604 INFO L225 Difference]: With dead ends: 21200 [2023-12-19 03:33:54,605 INFO L226 Difference]: Without dead ends: 14120 [2023-12-19 03:33:54,613 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 03:33:54,613 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 273 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:54,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 206 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 03:33:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14120 states. [2023-12-19 03:33:54,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14120 to 12819. [2023-12-19 03:33:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12819 states, 12818 states have (on average 1.1994850990794195) internal successors, (15375), 12818 states have internal predecessors, (15375), 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 03:33:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12819 states to 12819 states and 15375 transitions. [2023-12-19 03:33:54,781 INFO L78 Accepts]: Start accepts. Automaton has 12819 states and 15375 transitions. Word has length 259 [2023-12-19 03:33:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:54,781 INFO L495 AbstractCegarLoop]: Abstraction has 12819 states and 15375 transitions. [2023-12-19 03:33:54,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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 03:33:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12819 states and 15375 transitions. [2023-12-19 03:33:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-19 03:33:54,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:54,786 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:54,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 03:33:54,786 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:54,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1469880448, now seen corresponding path program 1 times [2023-12-19 03:33:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:54,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290737575] [2023-12-19 03:33:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:55,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290737575] [2023-12-19 03:33:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290737575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:55,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:55,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:33:55,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962421481] [2023-12-19 03:33:55,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:55,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:33:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:55,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:33:55,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:33:55,065 INFO L87 Difference]: Start difference. First operand 12819 states and 15375 transitions. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 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 03:33:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:56,207 INFO L93 Difference]: Finished difference Result 30436 states and 37140 transitions. [2023-12-19 03:33:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:33:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 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 269 [2023-12-19 03:33:56,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:56,235 INFO L225 Difference]: With dead ends: 30436 [2023-12-19 03:33:56,236 INFO L226 Difference]: Without dead ends: 17986 [2023-12-19 03:33:56,249 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 03:33:56,249 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 286 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:56,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 117 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 03:33:56,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17986 states. [2023-12-19 03:33:56,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17986 to 17972. [2023-12-19 03:33:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17972 states, 17971 states have (on average 1.2047187134828334) internal successors, (21650), 17971 states have internal predecessors, (21650), 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 03:33:56,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17972 states to 17972 states and 21650 transitions. [2023-12-19 03:33:56,454 INFO L78 Accepts]: Start accepts. Automaton has 17972 states and 21650 transitions. Word has length 269 [2023-12-19 03:33:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:56,455 INFO L495 AbstractCegarLoop]: Abstraction has 17972 states and 21650 transitions. [2023-12-19 03:33:56,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 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 03:33:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 17972 states and 21650 transitions. [2023-12-19 03:33:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-19 03:33:56,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:56,462 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, 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, 1, 1, 1, 1, 1, 1, 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 03:33:56,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 03:33:56,462 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:56,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash -200048695, now seen corresponding path program 1 times [2023-12-19 03:33:56,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:56,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396928602] [2023-12-19 03:33:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-19 03:33:56,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:56,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396928602] [2023-12-19 03:33:56,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396928602] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:56,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:33:56,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:33:56,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274887928] [2023-12-19 03:33:56,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:56,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:33:56,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:56,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:33:56,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:33:56,713 INFO L87 Difference]: Start difference. First operand 17972 states and 21650 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:57,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:57,422 INFO L93 Difference]: Finished difference Result 35769 states and 43130 transitions. [2023-12-19 03:33:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:33:57,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 276 [2023-12-19 03:33:57,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:57,450 INFO L225 Difference]: With dead ends: 35769 [2023-12-19 03:33:57,450 INFO L226 Difference]: Without dead ends: 17982 [2023-12-19 03:33:57,467 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 03:33:57,468 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 143 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:57,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 376 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:33:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17982 states. [2023-12-19 03:33:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17982 to 17971. [2023-12-19 03:33:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17971 states, 17970 states have (on average 1.1678352810239288) internal successors, (20986), 17970 states have internal predecessors, (20986), 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 03:33:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17971 states to 17971 states and 20986 transitions. [2023-12-19 03:33:57,652 INFO L78 Accepts]: Start accepts. Automaton has 17971 states and 20986 transitions. Word has length 276 [2023-12-19 03:33:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:57,652 INFO L495 AbstractCegarLoop]: Abstraction has 17971 states and 20986 transitions. [2023-12-19 03:33:57,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:33:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17971 states and 20986 transitions. [2023-12-19 03:33:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-19 03:33:57,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:57,659 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:57,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 03:33:57,659 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:33:57,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:33:57,660 INFO L85 PathProgramCache]: Analyzing trace with hash -178019664, now seen corresponding path program 1 times [2023-12-19 03:33:57,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:33:57,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174175772] [2023-12-19 03:33:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:33:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 167 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:58,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:33:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174175772] [2023-12-19 03:33:58,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174175772] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:33:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545146926] [2023-12-19 03:33:58,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:33:58,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:33:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:33:58,209 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 03:33:58,214 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 03:33:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:33:58,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 03:33:58,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:33:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:33:58,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:33:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545146926] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:33:58,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:33:58,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-19 03:33:58,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504315315] [2023-12-19 03:33:58,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:33:58,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:33:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:33:58,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:33:58,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:33:58,697 INFO L87 Difference]: Start difference. First operand 17971 states and 20986 transitions. Second operand has 4 states, 4 states have (on average 72.5) internal successors, (290), 3 states have internal predecessors, (290), 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 03:33:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:33:59,682 INFO L93 Difference]: Finished difference Result 33179 states and 38910 transitions. [2023-12-19 03:33:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:33:59,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.5) internal successors, (290), 3 states have internal predecessors, (290), 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 290 [2023-12-19 03:33:59,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:33:59,739 INFO L225 Difference]: With dead ends: 33179 [2023-12-19 03:33:59,740 INFO L226 Difference]: Without dead ends: 17979 [2023-12-19 03:33:59,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 288 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 03:33:59,765 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 173 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:33:59,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 178 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:33:59,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17979 states. [2023-12-19 03:33:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17979 to 17971. [2023-12-19 03:33:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17971 states, 17970 states have (on average 1.1658319421257652) internal successors, (20950), 17970 states have internal predecessors, (20950), 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 03:33:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17971 states to 17971 states and 20950 transitions. [2023-12-19 03:33:59,931 INFO L78 Accepts]: Start accepts. Automaton has 17971 states and 20950 transitions. Word has length 290 [2023-12-19 03:33:59,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:33:59,931 INFO L495 AbstractCegarLoop]: Abstraction has 17971 states and 20950 transitions. [2023-12-19 03:33:59,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.5) internal successors, (290), 3 states have internal predecessors, (290), 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 03:33:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 17971 states and 20950 transitions. [2023-12-19 03:33:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-19 03:33:59,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:33:59,940 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, 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, 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 03:33:59,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 03:34:00,145 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,SelfDestructingSolverStorable12 [2023-12-19 03:34:00,146 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:00,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:00,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2004563935, now seen corresponding path program 1 times [2023-12-19 03:34:00,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:00,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246000446] [2023-12-19 03:34:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-12-19 03:34:00,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:00,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246000446] [2023-12-19 03:34:00,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246000446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:00,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:00,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:34:00,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128345544] [2023-12-19 03:34:00,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:00,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:34:00,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:00,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:34:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:34:00,280 INFO L87 Difference]: Start difference. First operand 17971 states and 20950 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 03:34:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:00,921 INFO L93 Difference]: Finished difference Result 37949 states and 44595 transitions. [2023-12-19 03:34:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:34:00,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 316 [2023-12-19 03:34:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:00,989 INFO L225 Difference]: With dead ends: 37949 [2023-12-19 03:34:00,990 INFO L226 Difference]: Without dead ends: 20347 [2023-12-19 03:34:01,010 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 03:34:01,011 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 126 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:01,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 151 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:34:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20347 states. [2023-12-19 03:34:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20347 to 17028. [2023-12-19 03:34:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17028 states, 17027 states have (on average 1.1329652904210958) internal successors, (19291), 17027 states have internal predecessors, (19291), 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 03:34:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17028 states to 17028 states and 19291 transitions. [2023-12-19 03:34:01,276 INFO L78 Accepts]: Start accepts. Automaton has 17028 states and 19291 transitions. Word has length 316 [2023-12-19 03:34:01,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:01,277 INFO L495 AbstractCegarLoop]: Abstraction has 17028 states and 19291 transitions. [2023-12-19 03:34:01,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 03:34:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 17028 states and 19291 transitions. [2023-12-19 03:34:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-19 03:34:01,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:01,284 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, 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, 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 03:34:01,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 03:34:01,285 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:01,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:01,285 INFO L85 PathProgramCache]: Analyzing trace with hash 691367451, now seen corresponding path program 1 times [2023-12-19 03:34:01,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:01,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805097789] [2023-12-19 03:34:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:01,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-12-19 03:34:01,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:01,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805097789] [2023-12-19 03:34:01,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805097789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:01,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:01,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:34:01,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773820842] [2023-12-19 03:34:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:01,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:34:01,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:34:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:34:01,439 INFO L87 Difference]: Start difference. First operand 17028 states and 19291 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 03:34:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:02,030 INFO L93 Difference]: Finished difference Result 35706 states and 40461 transitions. [2023-12-19 03:34:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:34:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 324 [2023-12-19 03:34:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:02,056 INFO L225 Difference]: With dead ends: 35706 [2023-12-19 03:34:02,056 INFO L226 Difference]: Without dead ends: 21075 [2023-12-19 03:34:02,069 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 03:34:02,070 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 163 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:02,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 149 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:34:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21075 states. [2023-12-19 03:34:02,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21075 to 17395. [2023-12-19 03:34:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17395 states, 17394 states have (on average 1.1333793262044383) internal successors, (19714), 17394 states have internal predecessors, (19714), 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 03:34:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17395 states to 17395 states and 19714 transitions. [2023-12-19 03:34:02,327 INFO L78 Accepts]: Start accepts. Automaton has 17395 states and 19714 transitions. Word has length 324 [2023-12-19 03:34:02,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:02,327 INFO L495 AbstractCegarLoop]: Abstraction has 17395 states and 19714 transitions. [2023-12-19 03:34:02,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 03:34:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 17395 states and 19714 transitions. [2023-12-19 03:34:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-12-19 03:34:02,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:02,335 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, 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, 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 03:34:02,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 03:34:02,335 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:02,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:02,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1079468631, now seen corresponding path program 1 times [2023-12-19 03:34:02,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:02,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034153870] [2023-12-19 03:34:02,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:02,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-19 03:34:02,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:02,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034153870] [2023-12-19 03:34:02,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034153870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:02,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:02,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:34:02,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934859447] [2023-12-19 03:34:02,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:02,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:34:02,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:34:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:34:02,733 INFO L87 Difference]: Start difference. First operand 17395 states and 19714 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 4 states have internal predecessors, (261), 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 03:34:03,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:03,799 INFO L93 Difference]: Finished difference Result 40532 states and 46167 transitions. [2023-12-19 03:34:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:34:03,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 4 states have internal predecessors, (261), 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 328 [2023-12-19 03:34:03,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:03,831 INFO L225 Difference]: With dead ends: 40532 [2023-12-19 03:34:03,831 INFO L226 Difference]: Without dead ends: 24793 [2023-12-19 03:34:03,844 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 03:34:03,845 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 290 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:03,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 391 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:34:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24793 states. [2023-12-19 03:34:04,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24793 to 20351. [2023-12-19 03:34:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20351 states, 20350 states have (on average 1.122899262899263) internal successors, (22851), 20350 states have internal predecessors, (22851), 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 03:34:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 22851 transitions. [2023-12-19 03:34:04,124 INFO L78 Accepts]: Start accepts. Automaton has 20351 states and 22851 transitions. Word has length 328 [2023-12-19 03:34:04,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:04,124 INFO L495 AbstractCegarLoop]: Abstraction has 20351 states and 22851 transitions. [2023-12-19 03:34:04,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 4 states have internal predecessors, (261), 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 03:34:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 22851 transitions. [2023-12-19 03:34:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-19 03:34:04,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:04,132 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, 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, 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] [2023-12-19 03:34:04,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 03:34:04,132 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:04,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:04,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1607525202, now seen corresponding path program 1 times [2023-12-19 03:34:04,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:04,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717450164] [2023-12-19 03:34:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:34:04,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:04,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717450164] [2023-12-19 03:34:04,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717450164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:04,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:04,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:34:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111578046] [2023-12-19 03:34:04,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:04,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:34:04,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:04,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:34:04,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:34:04,491 INFO L87 Difference]: Start difference. First operand 20351 states and 22851 transitions. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 3 states have internal predecessors, (337), 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 03:34:05,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:05,676 INFO L93 Difference]: Finished difference Result 46789 states and 52588 transitions. [2023-12-19 03:34:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:34:05,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 3 states have internal predecessors, (337), 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 337 [2023-12-19 03:34:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:05,702 INFO L225 Difference]: With dead ends: 46789 [2023-12-19 03:34:05,702 INFO L226 Difference]: Without dead ends: 26807 [2023-12-19 03:34:05,712 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 03:34:05,713 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 163 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:05,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 109 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 03:34:05,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26807 states. [2023-12-19 03:34:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26807 to 25511. [2023-12-19 03:34:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25511 states, 25510 states have (on average 1.1172089376715013) internal successors, (28500), 25510 states have internal predecessors, (28500), 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 03:34:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25511 states to 25511 states and 28500 transitions. [2023-12-19 03:34:05,959 INFO L78 Accepts]: Start accepts. Automaton has 25511 states and 28500 transitions. Word has length 337 [2023-12-19 03:34:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:05,960 INFO L495 AbstractCegarLoop]: Abstraction has 25511 states and 28500 transitions. [2023-12-19 03:34:05,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 3 states have internal predecessors, (337), 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 03:34:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25511 states and 28500 transitions. [2023-12-19 03:34:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-12-19 03:34:05,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:05,968 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, 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, 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 03:34:05,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 03:34:05,968 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:05,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:05,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1464130001, now seen corresponding path program 1 times [2023-12-19 03:34:05,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:05,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869319063] [2023-12-19 03:34:05,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:05,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 174 proven. 167 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 03:34:06,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:06,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869319063] [2023-12-19 03:34:06,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869319063] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:34:06,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447029617] [2023-12-19 03:34:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:34:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:34:06,612 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 03:34:06,657 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 03:34:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:06,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 03:34:06,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:34:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 03:34:07,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:34:07,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447029617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:07,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:34:07,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-19 03:34:07,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404544454] [2023-12-19 03:34:07,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:07,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:34:07,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:07,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:34:07,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 03:34:07,153 INFO L87 Difference]: Start difference. First operand 25511 states and 28500 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 03:34:08,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:08,065 INFO L93 Difference]: Finished difference Result 48629 states and 54359 transitions. [2023-12-19 03:34:08,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:34:08,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 344 [2023-12-19 03:34:08,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:08,093 INFO L225 Difference]: With dead ends: 48629 [2023-12-19 03:34:08,093 INFO L226 Difference]: Without dead ends: 25883 [2023-12-19 03:34:08,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 342 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 03:34:08,107 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 293 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:08,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 156 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 03:34:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25883 states. [2023-12-19 03:34:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25883 to 25143. [2023-12-19 03:34:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25143 states, 25142 states have (on average 1.1167767082968738) internal successors, (28078), 25142 states have internal predecessors, (28078), 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 03:34:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25143 states to 25143 states and 28078 transitions. [2023-12-19 03:34:08,376 INFO L78 Accepts]: Start accepts. Automaton has 25143 states and 28078 transitions. Word has length 344 [2023-12-19 03:34:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:08,376 INFO L495 AbstractCegarLoop]: Abstraction has 25143 states and 28078 transitions. [2023-12-19 03:34:08,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 03:34:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 25143 states and 28078 transitions. [2023-12-19 03:34:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-12-19 03:34:08,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:08,387 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, 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, 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 03:34:08,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 03:34:08,588 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,SelfDestructingSolverStorable17 [2023-12-19 03:34:08,589 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:08,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1656872182, now seen corresponding path program 1 times [2023-12-19 03:34:08,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:08,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927695168] [2023-12-19 03:34:08,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-19 03:34:09,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:09,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927695168] [2023-12-19 03:34:09,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927695168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:09,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:09,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:34:09,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048187115] [2023-12-19 03:34:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:09,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:34:09,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:09,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:34:09,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:34:09,110 INFO L87 Difference]: Start difference. First operand 25143 states and 28078 transitions. Second operand has 4 states, 4 states have (on average 67.75) internal successors, (271), 4 states have internal predecessors, (271), 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 03:34:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:10,193 INFO L93 Difference]: Finished difference Result 53249 states and 59453 transitions. [2023-12-19 03:34:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:34:10,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.75) internal successors, (271), 4 states have internal predecessors, (271), 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 03:34:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:10,221 INFO L225 Difference]: With dead ends: 53249 [2023-12-19 03:34:10,221 INFO L226 Difference]: Without dead ends: 30130 [2023-12-19 03:34:10,237 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 03:34:10,238 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 292 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:10,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 344 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 03:34:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30130 states. [2023-12-19 03:34:10,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30130 to 22541. [2023-12-19 03:34:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22541 states, 22540 states have (on average 1.108740017746229) internal successors, (24991), 22540 states have internal predecessors, (24991), 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 03:34:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22541 states to 22541 states and 24991 transitions. [2023-12-19 03:34:10,722 INFO L78 Accepts]: Start accepts. Automaton has 22541 states and 24991 transitions. Word has length 366 [2023-12-19 03:34:10,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:10,723 INFO L495 AbstractCegarLoop]: Abstraction has 22541 states and 24991 transitions. [2023-12-19 03:34:10,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.75) internal successors, (271), 4 states have internal predecessors, (271), 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 03:34:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 22541 states and 24991 transitions. [2023-12-19 03:34:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-12-19 03:34:10,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:10,736 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, 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, 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] [2023-12-19 03:34:10,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 03:34:10,737 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:10,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1480452852, now seen corresponding path program 1 times [2023-12-19 03:34:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:10,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471591883] [2023-12-19 03:34:10,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:10,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-19 03:34:11,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471591883] [2023-12-19 03:34:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471591883] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:34:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531607456] [2023-12-19 03:34:11,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:11,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:34:11,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:34:11,224 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 03:34:11,227 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 03:34:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:11,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 03:34:11,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:34:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-19 03:34:11,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 03:34:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-19 03:34:13,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531607456] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 03:34:13,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 03:34:13,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-12-19 03:34:13,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348344357] [2023-12-19 03:34:13,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 03:34:13,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 03:34:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:13,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 03:34:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 03:34:13,461 INFO L87 Difference]: Start difference. First operand 22541 states and 24991 transitions. Second operand has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 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 03:34:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:15,411 INFO L93 Difference]: Finished difference Result 50244 states and 55684 transitions. [2023-12-19 03:34:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 03:34:15,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 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 375 [2023-12-19 03:34:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:15,458 INFO L225 Difference]: With dead ends: 50244 [2023-12-19 03:34:15,459 INFO L226 Difference]: Without dead ends: 30284 [2023-12-19 03:34:15,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 746 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 03:34:15,475 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 378 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:15,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 211 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 03:34:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30284 states. [2023-12-19 03:34:15,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30284 to 21056. [2023-12-19 03:34:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21056 states, 21055 states have (on average 1.1078128710520065) internal successors, (23325), 21055 states have internal predecessors, (23325), 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 03:34:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21056 states to 21056 states and 23325 transitions. [2023-12-19 03:34:15,699 INFO L78 Accepts]: Start accepts. Automaton has 21056 states and 23325 transitions. Word has length 375 [2023-12-19 03:34:15,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:15,700 INFO L495 AbstractCegarLoop]: Abstraction has 21056 states and 23325 transitions. [2023-12-19 03:34:15,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 5 states have internal predecessors, (479), 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 03:34:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 21056 states and 23325 transitions. [2023-12-19 03:34:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-12-19 03:34:15,708 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:15,708 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, 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, 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 03:34:15,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-19 03:34:15,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:34:15,914 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:15,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:15,914 INFO L85 PathProgramCache]: Analyzing trace with hash 110242664, now seen corresponding path program 1 times [2023-12-19 03:34:15,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:15,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147569160] [2023-12-19 03:34:15,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:15,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-19 03:34:16,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:16,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147569160] [2023-12-19 03:34:16,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147569160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:16,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:34:16,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4673162] [2023-12-19 03:34:16,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:16,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:34:16,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:16,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:34:16,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:34:16,305 INFO L87 Difference]: Start difference. First operand 21056 states and 23325 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 03:34:17,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:17,121 INFO L93 Difference]: Finished difference Result 41194 states and 45600 transitions. [2023-12-19 03:34:17,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:34:17,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 379 [2023-12-19 03:34:17,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:17,141 INFO L225 Difference]: With dead ends: 41194 [2023-12-19 03:34:17,142 INFO L226 Difference]: Without dead ends: 22719 [2023-12-19 03:34:17,153 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 03:34:17,153 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 297 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:17,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 51 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 03:34:17,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22719 states. [2023-12-19 03:34:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22719 to 20131. [2023-12-19 03:34:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20131 states, 20130 states have (on average 1.1044709388971683) internal successors, (22233), 20130 states have internal predecessors, (22233), 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 03:34:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20131 states to 20131 states and 22233 transitions. [2023-12-19 03:34:17,370 INFO L78 Accepts]: Start accepts. Automaton has 20131 states and 22233 transitions. Word has length 379 [2023-12-19 03:34:17,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:17,371 INFO L495 AbstractCegarLoop]: Abstraction has 20131 states and 22233 transitions. [2023-12-19 03:34:17,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 03:34:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20131 states and 22233 transitions. [2023-12-19 03:34:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2023-12-19 03:34:17,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:17,388 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, 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, 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 03:34:17,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 03:34:17,389 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:17,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:17,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1026710330, now seen corresponding path program 1 times [2023-12-19 03:34:17,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:17,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660707080] [2023-12-19 03:34:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:17,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-12-19 03:34:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660707080] [2023-12-19 03:34:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660707080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:17,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:17,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:34:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152262532] [2023-12-19 03:34:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:17,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:34:17,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:34:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:34:17,711 INFO L87 Difference]: Start difference. First operand 20131 states and 22233 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 03:34:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:18,305 INFO L93 Difference]: Finished difference Result 38805 states and 42835 transitions. [2023-12-19 03:34:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:34:18,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 573 [2023-12-19 03:34:18,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:18,325 INFO L225 Difference]: With dead ends: 38805 [2023-12-19 03:34:18,325 INFO L226 Difference]: Without dead ends: 20887 [2023-12-19 03:34:18,337 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 03:34:18,337 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 101 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:18,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 146 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:34:18,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20887 states. [2023-12-19 03:34:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20887 to 19947. [2023-12-19 03:34:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19947 states, 19946 states have (on average 1.0968113907550385) internal successors, (21877), 19946 states have internal predecessors, (21877), 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 03:34:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19947 states to 19947 states and 21877 transitions. [2023-12-19 03:34:18,586 INFO L78 Accepts]: Start accepts. Automaton has 19947 states and 21877 transitions. Word has length 573 [2023-12-19 03:34:18,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:18,586 INFO L495 AbstractCegarLoop]: Abstraction has 19947 states and 21877 transitions. [2023-12-19 03:34:18,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 03:34:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 19947 states and 21877 transitions. [2023-12-19 03:34:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-12-19 03:34:18,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:34:18,605 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, 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, 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 03:34:18,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 03:34:18,605 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:34:18,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:34:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash -272469153, now seen corresponding path program 1 times [2023-12-19 03:34:18,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:34:18,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434713763] [2023-12-19 03:34:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:34:18,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:34:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:34:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2023-12-19 03:34:18,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:34:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434713763] [2023-12-19 03:34:18,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434713763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:34:18,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:34:18,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:34:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104498725] [2023-12-19 03:34:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:34:18,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:34:18,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:34:18,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:34:18,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:34:18,805 INFO L87 Difference]: Start difference. First operand 19947 states and 21877 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 03:34:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:34:19,507 INFO L93 Difference]: Finished difference Result 40808 states and 44750 transitions. [2023-12-19 03:34:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:34:19,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 574 [2023-12-19 03:34:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:34:19,508 INFO L225 Difference]: With dead ends: 40808 [2023-12-19 03:34:19,508 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 03:34:19,522 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 03:34:19,523 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 100 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 03:34:19,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 128 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 03:34:19,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 03:34:19,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 03:34:19,524 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 03:34:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 03:34:19,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 574 [2023-12-19 03:34:19,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:34:19,524 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 03:34:19,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 03:34:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 03:34:19,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 03:34:19,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 03:34:19,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-19 03:34:19,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 03:34:26,166 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 600 DAG size of output: 691 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-19 03:34:29,349 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,350 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,351 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,352 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse8 (= ~a25~0 9)) (.cse7 (<= (+ ~a23~0 43) 0)) (.cse9 (<= ~a29~0 140)) (.cse6 (= ~a25~0 13)) (.cse1 (<= ~a29~0 275)) (.cse5 (<= 130 ~a29~0)) (.cse14 (= ~a25~0 10)) (.cse15 (<= ~a29~0 130)) (.cse16 (<= ~a23~0 312)) (.cse13 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse3 (<= ~a23~0 262)) (.cse2 (<= ~a25~0 10)) (.cse11 (= ~a25~0 11)) (.cse4 (= ~a4~0 1)) (.cse17 (<= ~a23~0 137)) (.cse10 (= ~a25~0 12)) (.cse12 (<= (+ ~a29~0 275824) 0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse4) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse5))) (and .cse7 .cse0 .cse8) (and .cse9 .cse3 .cse8) (and .cse10 .cse0 .cse4 .cse5) (and .cse11 .cse12 .cse4) (and .cse1 .cse10 .cse5) (and .cse13 .cse0 .cse4 .cse14) (and .cse7 .cse11 .cse15) (and .cse9 .cse8 .cse4 .cse16) (and .cse10 .cse0 .cse17) (and .cse6 .cse7 .cse1 .cse5) (and .cse9 .cse3 .cse14) (and .cse11 .cse0 .cse4 .cse5) (and .cse1 .cse4 .cse14) (and .cse6 (<= (+ 35913 ~a29~0) 0) .cse17) (and .cse1 .cse11 .cse3 .cse5) (and .cse14 .cse15) (and (<= (+ ~a23~0 127601) 0) .cse11 .cse0) (and .cse11 .cse0 .cse4 .cse16) (and (<= 300138 ~a29~0) .cse13 .cse2 .cse0 .cse4) (and .cse0 (or (and .cse10 .cse3 .cse4) (and .cse2 (<= ~a29~0 220) .cse4 .cse17))) (and .cse11 .cse4 .cse17) (and .cse10 .cse12))) [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-19 03:34:29,353 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,354 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,355 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,356 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,357 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,358 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,359 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,360 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,361 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-19 03:34:29,362 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] [2023-12-19 03:34:29,364 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 03:34:29,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:34:29 BoogieIcfgContainer [2023-12-19 03:34:29,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 03:34:29,375 INFO L158 Benchmark]: Toolchain (without parser) took 46512.75ms. Allocated memory was 305.1MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 248.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-19 03:34:29,375 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory was 158.3MB in the beginning and 158.1MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 03:34:29,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.86ms. Allocated memory is still 305.1MB. Free memory was 248.2MB in the beginning and 255.9MB in the end (delta: -7.7MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. [2023-12-19 03:34:29,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.64ms. Allocated memory is still 305.1MB. Free memory was 255.9MB in the beginning and 238.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-19 03:34:29,376 INFO L158 Benchmark]: Boogie Preprocessor took 155.33ms. Allocated memory is still 305.1MB. Free memory was 238.1MB in the beginning and 212.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-19 03:34:29,376 INFO L158 Benchmark]: RCFGBuilder took 1344.11ms. Allocated memory is still 305.1MB. Free memory was 212.9MB in the beginning and 197.4MB in the end (delta: 15.5MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. [2023-12-19 03:34:29,376 INFO L158 Benchmark]: TraceAbstraction took 44306.57ms. Allocated memory was 305.1MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 196.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-19 03:34:29,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory was 158.3MB in the beginning and 158.1MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 592.86ms. Allocated memory is still 305.1MB. Free memory was 248.2MB in the beginning and 255.9MB in the end (delta: -7.7MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 109.64ms. Allocated memory is still 305.1MB. Free memory was 255.9MB in the beginning and 238.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 155.33ms. Allocated memory is still 305.1MB. Free memory was 238.1MB in the beginning and 212.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1344.11ms. Allocated memory is still 305.1MB. Free memory was 212.9MB in the beginning and 197.4MB in the end (delta: 15.5MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. * TraceAbstraction took 44306.57ms. Allocated memory was 305.1MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 196.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. 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: 190]: 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: 44.3s, OverallIterations: 23, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4325 SdHoareTripleChecker+Valid, 17.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4325 mSDsluCounter, 4819 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 727 mSDsCounter, 2431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18306 IncrementalHoareTripleChecker+Invalid, 20737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2431 mSolverCounterUnsat, 4092 mSDtfsCounter, 18306 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1451 GetRequests, 1409 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25511occurred in iteration=17, 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: 3.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 35402 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 125 NumberOfFragments, 324 HoareAnnotationTreeSize, 1 FormulaSimplifications, 55472 FormulaSimplificationTreeSizeReduction, 6.6s HoareSimplificationTime, 1 FormulaSimplificationsInter, 18155 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 7451 NumberOfCodeBlocks, 7451 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7799 ConstructedInterpolants, 0 QuantifiedInterpolants, 31533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1364 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 27 InterpolantComputations, 22 PerfectInterpolantSequences, 7411/7944 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: ((((((((((((((((((((((((a29 <= 599999) && ((((((((a29 <= 275) && (a25 <= 10)) && (a23 <= 262)) && (a4 == 1)) && (130 <= a29)) || ((a25 == 13) && (a4 == 1))) || ((((a23 + 43) <= 0) && (a25 <= 10)) && (a4 == 1))) || (((a25 == 9) && (a4 == 1)) && (130 <= a29)))) || ((((a23 + 43) <= 0) && (a29 <= 599999)) && (a25 == 9))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 9))) || ((((a25 == 12) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a25 == 11) && ((a29 + 275824) <= 0)) && (a4 == 1))) || (((a29 <= 275) && (a25 == 12)) && (130 <= a29))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a23 + 43) <= 0) && (a25 == 11)) && (a29 <= 130))) || ((((a29 <= 140) && (a25 == 9)) && (a4 == 1)) && (a23 <= 312))) || (((a25 == 12) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && ((a23 + 43) <= 0)) && (a29 <= 275)) && (130 <= a29))) || (((a29 <= 140) && (a23 <= 262)) && (a25 == 10))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (130 <= a29))) || (((a29 <= 275) && (a4 == 1)) && (a25 == 10))) || (((a25 == 13) && ((35913 + a29) <= 0)) && (a23 <= 137))) || ((((a29 <= 275) && (a25 == 11)) && (a23 <= 262)) && (130 <= a29))) || ((a25 == 10) && (a29 <= 130))) || ((((a23 + 127601) <= 0) && (a25 == 11)) && (a29 <= 599999))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (a23 <= 312))) || (((((300138 <= a29) && (307 <= a23)) && (a25 <= 10)) && (a29 <= 599999)) && (a4 == 1))) || ((a29 <= 599999) && ((((a25 == 12) && (a23 <= 262)) && (a4 == 1)) || ((((a25 <= 10) && (a29 <= 220)) && (a4 == 1)) && (a23 <= 137))))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((a25 == 12) && ((a29 + 275824) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-19 03:34:29,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...