/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 17:19:16,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 17:19:16,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 17:19:16,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 17:19:16,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 17:19:16,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 17:19:16,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 17:19:16,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 17:19:16,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 17:19:16,159 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 17:19:16,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 17:19:16,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 17:19:16,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 17:19:16,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 17:19:16,161 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 17:19:16,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 17:19:16,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 17:19:16,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 17:19:16,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 17:19:16,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 17:19:16,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 17:19:16,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 17:19:16,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 17:19:16,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 17:19:16,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 17:19:16,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 17:19:16,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 17:19:16,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 17:19:16,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 17:19:16,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 17:19:16,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 17:19:16,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 17:19:16,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:19:16,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 17:19:16,170 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 17:19:16,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 17:19:16,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 17:19:16,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 17:19:16,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 17:19:16,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 17:19:16,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label44.c [2023-12-20 17:19:17,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 17:19:17,622 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 17:19:17,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label44.c [2023-12-20 17:19:17,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e5f16a2/638d0fba048946399b79da9da84a037a/FLAGfc7a0922f [2023-12-20 17:19:17,654 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e5f16a2/638d0fba048946399b79da9da84a037a [2023-12-20 17:19:17,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 17:19:17,657 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 17:19:17,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 17:19:17,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 17:19:17,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 17:19:17,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:19:17" (1/1) ... [2023-12-20 17:19:17,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bef4398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:17, skipping insertion in model container [2023-12-20 17:19:17,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:19:17" (1/1) ... [2023-12-20 17:19:17,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 17:19:17,909 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/Problem15_label44.c[8025,8038] [2023-12-20 17:19:18,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:19:18,172 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 17:19:18,201 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/Problem15_label44.c[8025,8038] [2023-12-20 17:19:18,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:19:18,346 INFO L206 MainTranslator]: Completed translation [2023-12-20 17:19:18,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18 WrapperNode [2023-12-20 17:19:18,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 17:19:18,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 17:19:18,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 17:19:18,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 17:19:18,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,494 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1760 [2023-12-20 17:19:18,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 17:19:18,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 17:19:18,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 17:19:18,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 17:19:18,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,612 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-20 17:19:18,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 17:19:18,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 17:19:18,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 17:19:18,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 17:19:18,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (1/1) ... [2023-12-20 17:19:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:19:18,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:19:18,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-20 17:19:18,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-20 17:19:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 17:19:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 17:19:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 17:19:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 17:19:18,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 17:19:18,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 17:19:20,538 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 17:19:20,579 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 17:19:20,579 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 17:19:20,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:19:20 BoogieIcfgContainer [2023-12-20 17:19:20,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 17:19:20,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 17:19:20,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 17:19:20,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 17:19:20,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 05:19:17" (1/3) ... [2023-12-20 17:19:20,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80b210b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:19:20, skipping insertion in model container [2023-12-20 17:19:20,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:19:18" (2/3) ... [2023-12-20 17:19:20,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80b210b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:19:20, skipping insertion in model container [2023-12-20 17:19:20,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:19:20" (3/3) ... [2023-12-20 17:19:20,586 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label44.c [2023-12-20 17:19:20,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 17:19:20,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 17:19:20,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 17:19:20,653 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;@28c4c84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 17:19:20,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 17:19:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-20 17:19:20,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:20,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:20,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:20,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1676647647, now seen corresponding path program 1 times [2023-12-20 17:19:20,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:20,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414623440] [2023-12-20 17:19:20,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:20,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:20,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:20,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414623440] [2023-12-20 17:19:20,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414623440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:20,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:20,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:19:20,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408270715] [2023-12-20 17:19:20,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:20,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 17:19:20,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:20,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 17:19:20,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 17:19:20,856 INFO L87 Difference]: Start difference. First operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 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 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:20,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:20,927 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-12-20 17:19:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 17:19:20,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2023-12-20 17:19:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:20,941 INFO L225 Difference]: With dead ends: 723 [2023-12-20 17:19:20,941 INFO L226 Difference]: Without dead ends: 360 [2023-12-20 17:19:20,944 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 [2023-12-20 17:19:20,946 INFO L413 NwaCegarLoop]: 623 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, 623 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 [2023-12-20 17:19:20,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 17:19:20,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-20 17:19:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-12-20 17:19:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.7353760445682451) internal successors, (623), 359 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-12-20 17:19:20,989 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 65 [2023-12-20 17:19:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:20,990 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-12-20 17:19:20,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-12-20 17:19:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-20 17:19:20,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:20,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:20,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 17:19:20,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:20,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1403809728, now seen corresponding path program 1 times [2023-12-20 17:19:20,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:20,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342752897] [2023-12-20 17:19:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:21,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:21,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342752897] [2023-12-20 17:19:21,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342752897] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:21,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:21,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:19:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826885813] [2023-12-20 17:19:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:21,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:21,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:21,156 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:22,894 INFO L93 Difference]: Finished difference Result 1023 states and 1787 transitions. [2023-12-20 17:19:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:22,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2023-12-20 17:19:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:22,898 INFO L225 Difference]: With dead ends: 1023 [2023-12-20 17:19:22,898 INFO L226 Difference]: Without dead ends: 664 [2023-12-20 17:19:22,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:22,900 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 251 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:22,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 316 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 17:19:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-12-20 17:19:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 662. [2023-12-20 17:19:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.4826021180030258) internal successors, (980), 661 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2023-12-20 17:19:22,919 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 65 [2023-12-20 17:19:22,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:22,920 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2023-12-20 17:19:22,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2023-12-20 17:19:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-20 17:19:22,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:22,923 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:22,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 17:19:22,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:22,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash 18420591, now seen corresponding path program 1 times [2023-12-20 17:19:22,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:22,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716521422] [2023-12-20 17:19:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:22,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:23,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:23,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716521422] [2023-12-20 17:19:23,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716521422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:23,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:23,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:19:23,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964326154] [2023-12-20 17:19:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:23,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:23,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:23,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:23,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:23,225 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:24,552 INFO L93 Difference]: Finished difference Result 1623 states and 2314 transitions. [2023-12-20 17:19:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2023-12-20 17:19:24,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:24,555 INFO L225 Difference]: With dead ends: 1623 [2023-12-20 17:19:24,555 INFO L226 Difference]: Without dead ends: 962 [2023-12-20 17:19:24,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:24,557 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:24,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 17:19:24,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-12-20 17:19:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2023-12-20 17:19:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3631633714880333) internal successors, (1310), 961 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1310 transitions. [2023-12-20 17:19:24,572 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1310 transitions. Word has length 130 [2023-12-20 17:19:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:24,572 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1310 transitions. [2023-12-20 17:19:24,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1310 transitions. [2023-12-20 17:19:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-20 17:19:24,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:24,576 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:24,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 17:19:24,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:24,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:24,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1482107382, now seen corresponding path program 1 times [2023-12-20 17:19:24,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:24,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809344516] [2023-12-20 17:19:24,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:24,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:24,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:24,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809344516] [2023-12-20 17:19:24,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809344516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:24,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:24,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 17:19:24,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217698574] [2023-12-20 17:19:24,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:24,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 17:19:24,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:24,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 17:19:24,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:19:24,797 INFO L87 Difference]: Start difference. First operand 962 states and 1310 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:26,267 INFO L93 Difference]: Finished difference Result 2239 states and 3196 transitions. [2023-12-20 17:19:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:19:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2023-12-20 17:19:26,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:26,278 INFO L225 Difference]: With dead ends: 2239 [2023-12-20 17:19:26,279 INFO L226 Difference]: Without dead ends: 1577 [2023-12-20 17:19:26,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:19:26,289 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 934 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:26,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 319 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:19:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-12-20 17:19:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1265. [2023-12-20 17:19:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3045886075949367) internal successors, (1649), 1264 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1649 transitions. [2023-12-20 17:19:26,311 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1649 transitions. Word has length 135 [2023-12-20 17:19:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:26,311 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1649 transitions. [2023-12-20 17:19:26,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1649 transitions. [2023-12-20 17:19:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-20 17:19:26,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:26,315 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:26,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 17:19:26,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:26,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:26,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1437912913, now seen corresponding path program 1 times [2023-12-20 17:19:26,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:26,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799983975] [2023-12-20 17:19:26,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:26,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:26,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799983975] [2023-12-20 17:19:26,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799983975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:26,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:26,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325316856] [2023-12-20 17:19:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:26,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:19:26,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:26,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:19:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:19:26,536 INFO L87 Difference]: Start difference. First operand 1265 states and 1649 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:29,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:29,092 INFO L93 Difference]: Finished difference Result 4669 states and 6169 transitions. [2023-12-20 17:19:29,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:19:29,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2023-12-20 17:19:29,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:29,102 INFO L225 Difference]: With dead ends: 4669 [2023-12-20 17:19:29,102 INFO L226 Difference]: Without dead ends: 3405 [2023-12-20 17:19:29,103 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 [2023-12-20 17:19:29,104 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 489 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:29,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 345 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-20 17:19:29,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2023-12-20 17:19:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3380. [2023-12-20 17:19:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3379 states have (on average 1.2367564368156259) internal successors, (4179), 3379 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4179 transitions. [2023-12-20 17:19:29,144 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4179 transitions. Word has length 231 [2023-12-20 17:19:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:29,144 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 4179 transitions. [2023-12-20 17:19:29,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4179 transitions. [2023-12-20 17:19:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-20 17:19:29,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:29,147 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-20 17:19:29,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 17:19:29,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:29,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1246105829, now seen corresponding path program 1 times [2023-12-20 17:19:29,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:29,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795751291] [2023-12-20 17:19:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-20 17:19:29,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:29,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795751291] [2023-12-20 17:19:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795751291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:19:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692889162] [2023-12-20 17:19:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:29,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:29,294 INFO L87 Difference]: Start difference. First operand 3380 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:30,441 INFO L93 Difference]: Finished difference Result 8562 states and 10753 transitions. [2023-12-20 17:19:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:30,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2023-12-20 17:19:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:30,454 INFO L225 Difference]: With dead ends: 8562 [2023-12-20 17:19:30,454 INFO L226 Difference]: Without dead ends: 5482 [2023-12-20 17:19:30,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:30,456 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:30,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 337 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:30,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2023-12-20 17:19:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5477. [2023-12-20 17:19:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.168736303871439) internal successors, (6400), 5476 states have internal predecessors, (6400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6400 transitions. [2023-12-20 17:19:30,524 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6400 transitions. Word has length 235 [2023-12-20 17:19:30,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:30,524 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6400 transitions. [2023-12-20 17:19:30,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6400 transitions. [2023-12-20 17:19:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-20 17:19:30,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:30,528 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:30,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 17:19:30,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:30,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1588667605, now seen corresponding path program 1 times [2023-12-20 17:19:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884804293] [2023-12-20 17:19:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-20 17:19:30,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:30,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884804293] [2023-12-20 17:19:30,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884804293] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:30,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:30,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:19:30,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552631802] [2023-12-20 17:19:30,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:30,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:30,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:30,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:30,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:30,909 INFO L87 Difference]: Start difference. First operand 5477 states and 6400 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:32,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:32,058 INFO L93 Difference]: Finished difference Result 10654 states and 12488 transitions. [2023-12-20 17:19:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:32,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 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 [2023-12-20 17:19:32,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:32,070 INFO L225 Difference]: With dead ends: 10654 [2023-12-20 17:19:32,070 INFO L226 Difference]: Without dead ends: 5477 [2023-12-20 17:19:32,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:32,075 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:32,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-12-20 17:19:32,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5477. [2023-12-20 17:19:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.1676406135865596) internal successors, (6394), 5476 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6394 transitions. [2023-12-20 17:19:32,136 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6394 transitions. Word has length 337 [2023-12-20 17:19:32,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:32,137 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6394 transitions. [2023-12-20 17:19:32,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6394 transitions. [2023-12-20 17:19:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-12-20 17:19:32,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:32,140 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:32,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 17:19:32,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:32,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:32,141 INFO L85 PathProgramCache]: Analyzing trace with hash -231029072, now seen corresponding path program 1 times [2023-12-20 17:19:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:32,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673037365] [2023-12-20 17:19:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:32,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-20 17:19:32,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:32,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673037365] [2023-12-20 17:19:32,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673037365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:32,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:32,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:32,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431547289] [2023-12-20 17:19:32,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:32,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:32,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:32,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:32,278 INFO L87 Difference]: Start difference. First operand 5477 states and 6394 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:33,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:33,766 INFO L93 Difference]: Finished difference Result 11850 states and 14150 transitions. [2023-12-20 17:19:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:33,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 352 [2023-12-20 17:19:33,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:33,784 INFO L225 Difference]: With dead ends: 11850 [2023-12-20 17:19:33,784 INFO L226 Difference]: Without dead ends: 6673 [2023-12-20 17:19:33,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:33,791 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 248 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:33,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 320 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:19:33,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2023-12-20 17:19:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 4875. [2023-12-20 17:19:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 4874 states have (on average 1.1805498563807961) internal successors, (5754), 4874 states have internal predecessors, (5754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 5754 transitions. [2023-12-20 17:19:33,894 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 5754 transitions. Word has length 352 [2023-12-20 17:19:33,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:33,895 INFO L495 AbstractCegarLoop]: Abstraction has 4875 states and 5754 transitions. [2023-12-20 17:19:33,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 5754 transitions. [2023-12-20 17:19:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-12-20 17:19:33,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:33,901 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:33,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 17:19:33,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:33,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash -751959939, now seen corresponding path program 1 times [2023-12-20 17:19:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:33,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358827906] [2023-12-20 17:19:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-20 17:19:34,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:34,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358827906] [2023-12-20 17:19:34,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358827906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:34,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:34,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:34,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822827853] [2023-12-20 17:19:34,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:34,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:34,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:34,153 INFO L87 Difference]: Start difference. First operand 4875 states and 5754 transitions. Second operand has 3 states, 3 states have (on average 112.33333333333333) 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) [2023-12-20 17:19:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:35,519 INFO L93 Difference]: Finished difference Result 11851 states and 14243 transitions. [2023-12-20 17:19:35,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:35,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.33333333333333) 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 411 [2023-12-20 17:19:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:35,547 INFO L225 Difference]: With dead ends: 11851 [2023-12-20 17:19:35,547 INFO L226 Difference]: Without dead ends: 7276 [2023-12-20 17:19:35,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:35,552 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 262 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:35,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 634 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 17:19:35,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2023-12-20 17:19:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 6379. [2023-12-20 17:19:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6378 states have (on average 1.1558482282847287) internal successors, (7372), 6378 states have internal predecessors, (7372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 7372 transitions. [2023-12-20 17:19:35,654 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 7372 transitions. Word has length 411 [2023-12-20 17:19:35,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:35,655 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 7372 transitions. [2023-12-20 17:19:35,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) 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) [2023-12-20 17:19:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 7372 transitions. [2023-12-20 17:19:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-20 17:19:35,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:35,660 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:35,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 17:19:35,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:35,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 64322001, now seen corresponding path program 1 times [2023-12-20 17:19:35,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:35,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480209727] [2023-12-20 17:19:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:35,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:19:35,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:35,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480209727] [2023-12-20 17:19:35,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480209727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:35,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:35,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:35,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946465795] [2023-12-20 17:19:35,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:35,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:35,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:35,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:35,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:35,951 INFO L87 Difference]: Start difference. First operand 6379 states and 7372 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:37,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:37,217 INFO L93 Difference]: Finished difference Result 14562 states and 17151 transitions. [2023-12-20 17:19:37,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:37,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 417 [2023-12-20 17:19:37,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:37,227 INFO L225 Difference]: With dead ends: 14562 [2023-12-20 17:19:37,227 INFO L226 Difference]: Without dead ends: 8483 [2023-12-20 17:19:37,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:37,233 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:37,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 598 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:19:37,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8483 states. [2023-12-20 17:19:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8483 to 8181. [2023-12-20 17:19:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8181 states, 8180 states have (on average 1.1355745721271393) internal successors, (9289), 8180 states have internal predecessors, (9289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 9289 transitions. [2023-12-20 17:19:37,303 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 9289 transitions. Word has length 417 [2023-12-20 17:19:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:37,303 INFO L495 AbstractCegarLoop]: Abstraction has 8181 states and 9289 transitions. [2023-12-20 17:19:37,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 9289 transitions. [2023-12-20 17:19:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-12-20 17:19:37,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:37,307 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:37,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 17:19:37,307 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:37,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:37,307 INFO L85 PathProgramCache]: Analyzing trace with hash -549187984, now seen corresponding path program 1 times [2023-12-20 17:19:37,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:37,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447750092] [2023-12-20 17:19:37,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:37,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-20 17:19:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447750092] [2023-12-20 17:19:37,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447750092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:37,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:37,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569432899] [2023-12-20 17:19:37,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:37,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:37,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:37,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:37,537 INFO L87 Difference]: Start difference. First operand 8181 states and 9289 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:38,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:38,828 INFO L93 Difference]: Finished difference Result 17856 states and 20649 transitions. [2023-12-20 17:19:38,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:38,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 433 [2023-12-20 17:19:38,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:38,841 INFO L225 Difference]: With dead ends: 17856 [2023-12-20 17:19:38,841 INFO L226 Difference]: Without dead ends: 9975 [2023-12-20 17:19:38,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:38,849 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 245 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:38,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 616 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:19:38,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2023-12-20 17:19:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 9672. [2023-12-20 17:19:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9672 states, 9671 states have (on average 1.1267707579360977) internal successors, (10897), 9671 states have internal predecessors, (10897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 9672 states and 10897 transitions. [2023-12-20 17:19:38,934 INFO L78 Accepts]: Start accepts. Automaton has 9672 states and 10897 transitions. Word has length 433 [2023-12-20 17:19:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:38,935 INFO L495 AbstractCegarLoop]: Abstraction has 9672 states and 10897 transitions. [2023-12-20 17:19:38,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 9672 states and 10897 transitions. [2023-12-20 17:19:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2023-12-20 17:19:38,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:38,942 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:38,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 17:19:38,942 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:38,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1472980925, now seen corresponding path program 1 times [2023-12-20 17:19:38,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:38,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646865285] [2023-12-20 17:19:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-12-20 17:19:39,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:39,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646865285] [2023-12-20 17:19:39,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646865285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:39,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:39,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:39,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889719732] [2023-12-20 17:19:39,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:39,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:39,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:39,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:39,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:39,187 INFO L87 Difference]: Start difference. First operand 9672 states and 10897 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:40,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:40,663 INFO L93 Difference]: Finished difference Result 21435 states and 24445 transitions. [2023-12-20 17:19:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:40,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 529 [2023-12-20 17:19:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:40,677 INFO L225 Difference]: With dead ends: 21435 [2023-12-20 17:19:40,677 INFO L226 Difference]: Without dead ends: 12063 [2023-12-20 17:19:40,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:40,685 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 349 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:40,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 444 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:19:40,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2023-12-20 17:19:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 12063. [2023-12-20 17:19:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 12062 states have (on average 1.1321505554634388) internal successors, (13656), 12062 states have internal predecessors, (13656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 13656 transitions. [2023-12-20 17:19:40,778 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 13656 transitions. Word has length 529 [2023-12-20 17:19:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:40,779 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 13656 transitions. [2023-12-20 17:19:40,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 13656 transitions. [2023-12-20 17:19:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2023-12-20 17:19:40,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:40,784 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:40,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 17:19:40,784 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:40,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash -220071425, now seen corresponding path program 1 times [2023-12-20 17:19:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:40,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096113455] [2023-12-20 17:19:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:40,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 491 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-12-20 17:19:41,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:41,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096113455] [2023-12-20 17:19:41,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096113455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:41,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:41,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:41,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80718712] [2023-12-20 17:19:41,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:41,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:41,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:41,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:41,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:41,212 INFO L87 Difference]: Start difference. First operand 12063 states and 13656 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:42,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:42,655 INFO L93 Difference]: Finished difference Result 28624 states and 32701 transitions. [2023-12-20 17:19:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:42,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 553 [2023-12-20 17:19:42,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:42,677 INFO L225 Difference]: With dead ends: 28624 [2023-12-20 17:19:42,677 INFO L226 Difference]: Without dead ends: 16861 [2023-12-20 17:19:42,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:42,688 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 246 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:42,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 618 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:19:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16861 states. [2023-12-20 17:19:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16861 to 15953. [2023-12-20 17:19:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15953 states, 15952 states have (on average 1.125438816449348) internal successors, (17953), 15952 states have internal predecessors, (17953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15953 states to 15953 states and 17953 transitions. [2023-12-20 17:19:42,829 INFO L78 Accepts]: Start accepts. Automaton has 15953 states and 17953 transitions. Word has length 553 [2023-12-20 17:19:42,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:42,829 INFO L495 AbstractCegarLoop]: Abstraction has 15953 states and 17953 transitions. [2023-12-20 17:19:42,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 15953 states and 17953 transitions. [2023-12-20 17:19:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2023-12-20 17:19:42,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:42,837 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:42,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 17:19:42,837 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:42,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:42,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1497999487, now seen corresponding path program 1 times [2023-12-20 17:19:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:42,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73698595] [2023-12-20 17:19:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 624 proven. 39 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-20 17:19:43,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73698595] [2023-12-20 17:19:43,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73698595] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:19:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807205859] [2023-12-20 17:19:43,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:43,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:19:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:19:43,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:19:43,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 17:19:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:43,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 17:19:43,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:19:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-20 17:19:44,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:19:44,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807205859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:44,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:19:44,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:19:44,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956211448] [2023-12-20 17:19:44,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:44,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:19:44,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:44,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:19:44,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:19:44,317 INFO L87 Difference]: Start difference. First operand 15953 states and 17953 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:46,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:46,236 INFO L93 Difference]: Finished difference Result 33702 states and 37865 transitions. [2023-12-20 17:19:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:19:46,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 620 [2023-12-20 17:19:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:46,259 INFO L225 Difference]: With dead ends: 33702 [2023-12-20 17:19:46,259 INFO L226 Difference]: Without dead ends: 17451 [2023-12-20 17:19:46,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:19:46,271 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 316 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:46,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 388 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 17:19:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17451 states. [2023-12-20 17:19:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17451 to 16850. [2023-12-20 17:19:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16850 states, 16849 states have (on average 1.1204225770075376) internal successors, (18878), 16849 states have internal predecessors, (18878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16850 states to 16850 states and 18878 transitions. [2023-12-20 17:19:46,422 INFO L78 Accepts]: Start accepts. Automaton has 16850 states and 18878 transitions. Word has length 620 [2023-12-20 17:19:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:46,422 INFO L495 AbstractCegarLoop]: Abstraction has 16850 states and 18878 transitions. [2023-12-20 17:19:46,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 16850 states and 18878 transitions. [2023-12-20 17:19:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2023-12-20 17:19:46,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:46,429 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:46,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 17:19:46,636 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,SelfDestructingSolverStorable13 [2023-12-20 17:19:46,636 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:46,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash -538602802, now seen corresponding path program 1 times [2023-12-20 17:19:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:46,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144906595] [2023-12-20 17:19:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-12-20 17:19:46,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:46,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144906595] [2023-12-20 17:19:46,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144906595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:46,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:46,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:46,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550618105] [2023-12-20 17:19:46,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:46,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:46,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:46,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:46,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:46,921 INFO L87 Difference]: Start difference. First operand 16850 states and 18878 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:48,134 INFO L93 Difference]: Finished difference Result 33697 states and 37753 transitions. [2023-12-20 17:19:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:48,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 645 [2023-12-20 17:19:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:48,152 INFO L225 Difference]: With dead ends: 33697 [2023-12-20 17:19:48,152 INFO L226 Difference]: Without dead ends: 16848 [2023-12-20 17:19:48,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:48,162 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 464 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:48,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 69 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:48,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16848 states. [2023-12-20 17:19:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16848 to 16848. [2023-12-20 17:19:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16848 states, 16847 states have (on average 1.1203181575354662) internal successors, (18874), 16847 states have internal predecessors, (18874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16848 states to 16848 states and 18874 transitions. [2023-12-20 17:19:48,296 INFO L78 Accepts]: Start accepts. Automaton has 16848 states and 18874 transitions. Word has length 645 [2023-12-20 17:19:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:48,297 INFO L495 AbstractCegarLoop]: Abstraction has 16848 states and 18874 transitions. [2023-12-20 17:19:48,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 16848 states and 18874 transitions. [2023-12-20 17:19:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-12-20 17:19:48,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:48,304 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:19:48,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 17:19:48,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:48,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -529745742, now seen corresponding path program 1 times [2023-12-20 17:19:48,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386718618] [2023-12-20 17:19:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-12-20 17:19:48,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:48,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386718618] [2023-12-20 17:19:48,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386718618] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:48,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:48,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442298228] [2023-12-20 17:19:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:48,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:48,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:48,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:48,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:48,556 INFO L87 Difference]: Start difference. First operand 16848 states and 18874 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:50,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:50,029 INFO L93 Difference]: Finished difference Result 42364 states and 47426 transitions. [2023-12-20 17:19:50,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:50,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 666 [2023-12-20 17:19:50,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:50,051 INFO L225 Difference]: With dead ends: 42364 [2023-12-20 17:19:50,051 INFO L226 Difference]: Without dead ends: 20733 [2023-12-20 17:19:50,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:50,064 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:50,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 642 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:19:50,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2023-12-20 17:19:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 18640. [2023-12-20 17:19:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18640 states, 18639 states have (on average 1.0787595901067655) internal successors, (20107), 18639 states have internal predecessors, (20107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18640 states to 18640 states and 20107 transitions. [2023-12-20 17:19:50,219 INFO L78 Accepts]: Start accepts. Automaton has 18640 states and 20107 transitions. Word has length 666 [2023-12-20 17:19:50,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:50,220 INFO L495 AbstractCegarLoop]: Abstraction has 18640 states and 20107 transitions. [2023-12-20 17:19:50,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 18640 states and 20107 transitions. [2023-12-20 17:19:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2023-12-20 17:19:50,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:50,227 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:19:50,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 17:19:50,227 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:50,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2145013352, now seen corresponding path program 1 times [2023-12-20 17:19:50,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:50,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661826251] [2023-12-20 17:19:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 545 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-20 17:19:50,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:50,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661826251] [2023-12-20 17:19:50,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661826251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:50,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:50,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:50,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489051907] [2023-12-20 17:19:50,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:50,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:50,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:50,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:50,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:50,663 INFO L87 Difference]: Start difference. First operand 18640 states and 20107 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:51,777 INFO L93 Difference]: Finished difference Result 42661 states and 46059 transitions. [2023-12-20 17:19:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 690 [2023-12-20 17:19:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:51,795 INFO L225 Difference]: With dead ends: 42661 [2023-12-20 17:19:51,796 INFO L226 Difference]: Without dead ends: 21331 [2023-12-20 17:19:51,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:51,808 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 85 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:51,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 565 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:19:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21331 states. [2023-12-20 17:19:51,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21331 to 21330. [2023-12-20 17:19:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21330 states, 21329 states have (on average 1.0712175910731867) internal successors, (22848), 21329 states have internal predecessors, (22848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21330 states to 21330 states and 22848 transitions. [2023-12-20 17:19:51,972 INFO L78 Accepts]: Start accepts. Automaton has 21330 states and 22848 transitions. Word has length 690 [2023-12-20 17:19:51,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:51,972 INFO L495 AbstractCegarLoop]: Abstraction has 21330 states and 22848 transitions. [2023-12-20 17:19:51,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 21330 states and 22848 transitions. [2023-12-20 17:19:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2023-12-20 17:19:51,979 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:51,979 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:51,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 17:19:51,980 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:51,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:51,980 INFO L85 PathProgramCache]: Analyzing trace with hash 106670016, now seen corresponding path program 1 times [2023-12-20 17:19:51,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:51,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529249647] [2023-12-20 17:19:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 635 proven. 190 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-20 17:19:52,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:52,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529249647] [2023-12-20 17:19:52,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529249647] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:19:52,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854893684] [2023-12-20 17:19:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:52,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:19:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:19:52,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:19:52,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 17:19:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:52,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:19:52,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:19:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-12-20 17:19:53,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:19:53,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854893684] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:53,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:19:53,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:19:53,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50484435] [2023-12-20 17:19:53,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:53,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:53,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:53,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:53,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:19:53,233 INFO L87 Difference]: Start difference. First operand 21330 states and 22848 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:54,591 INFO L93 Difference]: Finished difference Result 49261 states and 52801 transitions. [2023-12-20 17:19:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:54,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 697 [2023-12-20 17:19:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:54,619 INFO L225 Difference]: With dead ends: 49261 [2023-12-20 17:19:54,620 INFO L226 Difference]: Without dead ends: 27932 [2023-12-20 17:19:54,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:19:54,634 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 276 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:54,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 529 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:19:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27932 states. [2023-12-20 17:19:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27932 to 26124. [2023-12-20 17:19:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26124 states, 26123 states have (on average 1.0719672319412012) internal successors, (28003), 26123 states have internal predecessors, (28003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26124 states to 26124 states and 28003 transitions. [2023-12-20 17:19:54,877 INFO L78 Accepts]: Start accepts. Automaton has 26124 states and 28003 transitions. Word has length 697 [2023-12-20 17:19:54,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:54,878 INFO L495 AbstractCegarLoop]: Abstraction has 26124 states and 28003 transitions. [2023-12-20 17:19:54,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26124 states and 28003 transitions. [2023-12-20 17:19:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2023-12-20 17:19:54,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:54,894 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:19:54,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-20 17:19:55,099 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 [2023-12-20 17:19:55,100 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:55,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash -2131773166, now seen corresponding path program 1 times [2023-12-20 17:19:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645795393] [2023-12-20 17:19:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 806 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-20 17:19:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645795393] [2023-12-20 17:19:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645795393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263395229] [2023-12-20 17:19:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:55,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:55,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:55,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:55,499 INFO L87 Difference]: Start difference. First operand 26124 states and 28003 transitions. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:56,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:56,784 INFO L93 Difference]: Finished difference Result 58225 states and 62508 transitions. [2023-12-20 17:19:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:56,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 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 825 [2023-12-20 17:19:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:56,816 INFO L225 Difference]: With dead ends: 58225 [2023-12-20 17:19:56,816 INFO L226 Difference]: Without dead ends: 32102 [2023-12-20 17:19:56,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:56,832 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 166 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:56,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 193 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:56,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32102 states. [2023-12-20 17:19:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32102 to 29112. [2023-12-20 17:19:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29112 states, 29111 states have (on average 1.0691834701659166) internal successors, (31125), 29111 states have internal predecessors, (31125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29112 states to 29112 states and 31125 transitions. [2023-12-20 17:19:57,169 INFO L78 Accepts]: Start accepts. Automaton has 29112 states and 31125 transitions. Word has length 825 [2023-12-20 17:19:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:57,169 INFO L495 AbstractCegarLoop]: Abstraction has 29112 states and 31125 transitions. [2023-12-20 17:19:57,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29112 states and 31125 transitions. [2023-12-20 17:19:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2023-12-20 17:19:57,194 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:57,194 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:19:57,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-20 17:19:57,194 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:57,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2035536288, now seen corresponding path program 1 times [2023-12-20 17:19:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703278358] [2023-12-20 17:19:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-20 17:19:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:58,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703278358] [2023-12-20 17:19:58,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703278358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:58,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:58,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699551067] [2023-12-20 17:19:58,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:58,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:58,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:58,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:58,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:58,526 INFO L87 Difference]: Start difference. First operand 29112 states and 31125 transitions. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:59,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:59,600 INFO L93 Difference]: Finished difference Result 58528 states and 62560 transitions. [2023-12-20 17:19:59,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:59,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 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 885 [2023-12-20 17:19:59,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:59,627 INFO L225 Difference]: With dead ends: 58528 [2023-12-20 17:19:59,627 INFO L226 Difference]: Without dead ends: 29417 [2023-12-20 17:19:59,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:59,644 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 133 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:59,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 126 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:19:59,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29417 states. [2023-12-20 17:19:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29417 to 29112. [2023-12-20 17:19:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29112 states, 29111 states have (on average 1.0638933736388307) internal successors, (30971), 29111 states have internal predecessors, (30971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29112 states to 29112 states and 30971 transitions. [2023-12-20 17:19:59,977 INFO L78 Accepts]: Start accepts. Automaton has 29112 states and 30971 transitions. Word has length 885 [2023-12-20 17:19:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:59,978 INFO L495 AbstractCegarLoop]: Abstraction has 29112 states and 30971 transitions. [2023-12-20 17:19:59,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:19:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29112 states and 30971 transitions. [2023-12-20 17:19:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2023-12-20 17:19:59,995 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:59,995 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:19:59,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 17:19:59,996 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:59,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:59,996 INFO L85 PathProgramCache]: Analyzing trace with hash -204741079, now seen corresponding path program 1 times [2023-12-20 17:19:59,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:59,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685664161] [2023-12-20 17:19:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 888 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-12-20 17:20:00,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685664161] [2023-12-20 17:20:00,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685664161] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:00,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:20:00,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:20:00,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366962335] [2023-12-20 17:20:00,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:00,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:20:00,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:00,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:20:00,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:00,604 INFO L87 Difference]: Start difference. First operand 29112 states and 30971 transitions. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:01,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:01,849 INFO L93 Difference]: Finished difference Result 62110 states and 66044 transitions. [2023-12-20 17:20:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:20:01,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 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 907 [2023-12-20 17:20:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:01,881 INFO L225 Difference]: With dead ends: 62110 [2023-12-20 17:20:01,881 INFO L226 Difference]: Without dead ends: 32999 [2023-12-20 17:20:01,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:01,897 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 101 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:01,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 160 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:20:01,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32999 states. [2023-12-20 17:20:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32999 to 30009. [2023-12-20 17:20:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30009 states, 30008 states have (on average 1.0603838976272995) internal successors, (31820), 30008 states have internal predecessors, (31820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30009 states to 30009 states and 31820 transitions. [2023-12-20 17:20:02,167 INFO L78 Accepts]: Start accepts. Automaton has 30009 states and 31820 transitions. Word has length 907 [2023-12-20 17:20:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:02,168 INFO L495 AbstractCegarLoop]: Abstraction has 30009 states and 31820 transitions. [2023-12-20 17:20:02,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30009 states and 31820 transitions. [2023-12-20 17:20:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2023-12-20 17:20:02,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:02,184 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:20:02,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-20 17:20:02,184 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:02,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:02,184 INFO L85 PathProgramCache]: Analyzing trace with hash -663103552, now seen corresponding path program 1 times [2023-12-20 17:20:02,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:02,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9177003] [2023-12-20 17:20:02,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2023-12-20 17:20:02,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9177003] [2023-12-20 17:20:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9177003] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:20:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:20:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223521878] [2023-12-20 17:20:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:02,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:20:02,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:20:02,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:02,658 INFO L87 Difference]: Start difference. First operand 30009 states and 31820 transitions. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:03,869 INFO L93 Difference]: Finished difference Result 61507 states and 65033 transitions. [2023-12-20 17:20:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:20:03,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 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 963 [2023-12-20 17:20:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:03,894 INFO L225 Difference]: With dead ends: 61507 [2023-12-20 17:20:03,894 INFO L226 Difference]: Without dead ends: 29107 [2023-12-20 17:20:03,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:03,911 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 315 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:03,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 550 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:20:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29107 states. [2023-12-20 17:20:04,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29107 to 26414. [2023-12-20 17:20:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26414 states, 26413 states have (on average 1.053988566236323) internal successors, (27839), 26413 states have internal predecessors, (27839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26414 states to 26414 states and 27839 transitions. [2023-12-20 17:20:04,151 INFO L78 Accepts]: Start accepts. Automaton has 26414 states and 27839 transitions. Word has length 963 [2023-12-20 17:20:04,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:04,151 INFO L495 AbstractCegarLoop]: Abstraction has 26414 states and 27839 transitions. [2023-12-20 17:20:04,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:04,151 INFO L276 IsEmpty]: Start isEmpty. Operand 26414 states and 27839 transitions. [2023-12-20 17:20:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2023-12-20 17:20:04,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:04,163 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:20:04,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-20 17:20:04,164 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:04,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:04,164 INFO L85 PathProgramCache]: Analyzing trace with hash 739144420, now seen corresponding path program 1 times [2023-12-20 17:20:04,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:04,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431626517] [2023-12-20 17:20:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-12-20 17:20:05,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:05,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431626517] [2023-12-20 17:20:05,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431626517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:05,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:20:05,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 17:20:05,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260009945] [2023-12-20 17:20:05,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:05,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:20:05,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:05,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:20:05,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:20:05,133 INFO L87 Difference]: Start difference. First operand 26414 states and 27839 transitions. Second operand has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:07,118 INFO L93 Difference]: Finished difference Result 63019 states and 66198 transitions. [2023-12-20 17:20:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:20:07,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 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 997 [2023-12-20 17:20:07,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:07,155 INFO L225 Difference]: With dead ends: 63019 [2023-12-20 17:20:07,155 INFO L226 Difference]: Without dead ends: 36606 [2023-12-20 17:20:07,169 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 [2023-12-20 17:20:07,169 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 375 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:07,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 130 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 17:20:07,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36606 states. [2023-12-20 17:20:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36606 to 28214. [2023-12-20 17:20:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28214 states, 28213 states have (on average 1.0535923155991918) internal successors, (29725), 28213 states have internal predecessors, (29725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28214 states to 28214 states and 29725 transitions. [2023-12-20 17:20:07,446 INFO L78 Accepts]: Start accepts. Automaton has 28214 states and 29725 transitions. Word has length 997 [2023-12-20 17:20:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:07,447 INFO L495 AbstractCegarLoop]: Abstraction has 28214 states and 29725 transitions. [2023-12-20 17:20:07,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28214 states and 29725 transitions. [2023-12-20 17:20:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1043 [2023-12-20 17:20:07,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:07,462 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2023-12-20 17:20:07,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-20 17:20:07,462 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:07,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:07,463 INFO L85 PathProgramCache]: Analyzing trace with hash 64954266, now seen corresponding path program 1 times [2023-12-20 17:20:07,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467596325] [2023-12-20 17:20:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-20 17:20:08,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:08,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467596325] [2023-12-20 17:20:08,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467596325] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:20:08,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892965667] [2023-12-20 17:20:08,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:08,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:20:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:20:08,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:20:08,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 17:20:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:08,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 17:20:08,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:20:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-20 17:20:13,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 17:20:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-20 17:20:14,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892965667] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 17:20:14,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 17:20:14,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-20 17:20:14,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095285926] [2023-12-20 17:20:14,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 17:20:14,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 17:20:14,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:14,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 17:20:14,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-20 17:20:14,072 INFO L87 Difference]: Start difference. First operand 28214 states and 29725 transitions. Second operand has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:18,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:18,345 INFO L93 Difference]: Finished difference Result 78619 states and 82523 transitions. [2023-12-20 17:20:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 17:20:18,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 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 1042 [2023-12-20 17:20:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:18,396 INFO L225 Difference]: With dead ends: 78619 [2023-12-20 17:20:18,397 INFO L226 Difference]: Without dead ends: 50406 [2023-12-20 17:20:18,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2078 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-20 17:20:18,415 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 1286 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 733 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:18,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 218 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [733 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-20 17:20:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50406 states. [2023-12-20 17:20:18,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50406 to 27616. [2023-12-20 17:20:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27616 states, 27615 states have (on average 1.0537026978091617) internal successors, (29098), 27615 states have internal predecessors, (29098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27616 states to 27616 states and 29098 transitions. [2023-12-20 17:20:18,741 INFO L78 Accepts]: Start accepts. Automaton has 27616 states and 29098 transitions. Word has length 1042 [2023-12-20 17:20:18,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:18,742 INFO L495 AbstractCegarLoop]: Abstraction has 27616 states and 29098 transitions. [2023-12-20 17:20:18,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 27616 states and 29098 transitions. [2023-12-20 17:20:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2023-12-20 17:20:18,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:18,766 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:20:18,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 17:20:18,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:20:18,967 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:18,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:18,968 INFO L85 PathProgramCache]: Analyzing trace with hash 745771930, now seen corresponding path program 1 times [2023-12-20 17:20:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:18,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914648901] [2023-12-20 17:20:18,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:18,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 2015 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-12-20 17:20:20,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:20,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914648901] [2023-12-20 17:20:20,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914648901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:20,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:20:20,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:20:20,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135530017] [2023-12-20 17:20:20,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:20,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:20:20,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:20,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:20:20,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:20,533 INFO L87 Difference]: Start difference. First operand 27616 states and 29098 transitions. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:21,597 INFO L93 Difference]: Finished difference Result 55230 states and 58165 transitions. [2023-12-20 17:20:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:20:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 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 1283 [2023-12-20 17:20:21,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:21,626 INFO L225 Difference]: With dead ends: 55230 [2023-12-20 17:20:21,626 INFO L226 Difference]: Without dead ends: 27615 [2023-12-20 17:20:21,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:20:21,641 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 176 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:21,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 112 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:20:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27615 states. [2023-12-20 17:20:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27615 to 25516. [2023-12-20 17:20:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25516 states, 25515 states have (on average 1.049225945522242) internal successors, (26771), 25515 states have internal predecessors, (26771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25516 states to 25516 states and 26771 transitions. [2023-12-20 17:20:21,873 INFO L78 Accepts]: Start accepts. Automaton has 25516 states and 26771 transitions. Word has length 1283 [2023-12-20 17:20:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:21,874 INFO L495 AbstractCegarLoop]: Abstraction has 25516 states and 26771 transitions. [2023-12-20 17:20:21,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 25516 states and 26771 transitions. [2023-12-20 17:20:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1308 [2023-12-20 17:20:21,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:21,895 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:20:21,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-20 17:20:21,896 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:21,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1352378305, now seen corresponding path program 1 times [2023-12-20 17:20:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353047759] [2023-12-20 17:20:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3588 backedges. 2211 proven. 598 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2023-12-20 17:20:23,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:23,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353047759] [2023-12-20 17:20:23,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353047759] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:20:23,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39262319] [2023-12-20 17:20:23,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:23,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:20:23,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:20:23,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:20:23,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 17:20:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:23,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:20:23,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:20:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3588 backedges. 2389 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2023-12-20 17:20:24,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:20:24,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39262319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:24,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:20:24,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-20 17:20:24,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444207258] [2023-12-20 17:20:24,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:24,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:20:24,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:24,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:20:24,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:20:24,112 INFO L87 Difference]: Start difference. First operand 25516 states and 26771 transitions. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:25,355 INFO L93 Difference]: Finished difference Result 53720 states and 56307 transitions. [2023-12-20 17:20:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:20:25,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 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 1307 [2023-12-20 17:20:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:25,383 INFO L225 Difference]: With dead ends: 53720 [2023-12-20 17:20:25,383 INFO L226 Difference]: Without dead ends: 25514 [2023-12-20 17:20:25,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:20:25,401 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 274 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:25,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 412 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:20:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2023-12-20 17:20:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 23421. [2023-12-20 17:20:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23421 states, 23420 states have (on average 1.0366780529461999) internal successors, (24279), 23420 states have internal predecessors, (24279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23421 states to 23421 states and 24279 transitions. [2023-12-20 17:20:25,625 INFO L78 Accepts]: Start accepts. Automaton has 23421 states and 24279 transitions. Word has length 1307 [2023-12-20 17:20:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:25,626 INFO L495 AbstractCegarLoop]: Abstraction has 23421 states and 24279 transitions. [2023-12-20 17:20:25,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23421 states and 24279 transitions. [2023-12-20 17:20:25,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2023-12-20 17:20:25,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:20:25,649 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:20:25,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-20 17:20:25,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-12-20 17:20:25,851 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:20:25,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:20:25,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1733049006, now seen corresponding path program 1 times [2023-12-20 17:20:25,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:20:25,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404083778] [2023-12-20 17:20:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:25,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:20:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3212 backedges. 1868 proven. 744 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-12-20 17:20:27,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:20:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404083778] [2023-12-20 17:20:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404083778] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:20:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466803751] [2023-12-20 17:20:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:20:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:20:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:20:27,303 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:20:27,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 17:20:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:20:27,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:20:27,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:20:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3212 backedges. 2121 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-12-20 17:20:27,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:20:27,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466803751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:20:27,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:20:27,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-20 17:20:27,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141945399] [2023-12-20 17:20:27,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:20:27,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:20:27,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:20:27,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:20:27,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:20:27,962 INFO L87 Difference]: Start difference. First operand 23421 states and 24279 transitions. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:20:28,767 INFO L93 Difference]: Finished difference Result 33621 states and 34761 transitions. [2023-12-20 17:20:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:20:28,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 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 1336 [2023-12-20 17:20:28,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:20:28,769 INFO L225 Difference]: With dead ends: 33621 [2023-12-20 17:20:28,769 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 17:20:28,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:20:28,783 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 62 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:20:28,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 405 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 17:20:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 17:20:28,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 17:20:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 17:20:28,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1336 [2023-12-20 17:20:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:20:28,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 17:20:28,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:20:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 17:20:28,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 17:20:28,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 17:20:28,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 17:20:28,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-20 17:20:28,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 17:20:34,804 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,804 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,805 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,806 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:20:34,807 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,808 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:20:34,809 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,810 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,811 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,812 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,813 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,814 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse2 (= 3 ~a2~0))) (let ((.cse8 (<= 0 (+ ~a29~0 14))) (.cse13 (<= 0 (+ (div (* 9 ~a0~0) 10) 4794))) (.cse7 (<= 0 (+ ~a0~0 60))) (.cse5 (= 2 ~a2~0)) (.cse14 (<= 0 (+ 600177 ~a0~0))) (.cse12 (<= 5 ~a2~0)) (.cse15 (= ~a2~0 1)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= 0 (+ ~a4~0 85))) (.cse16 (<= 44 ~a29~0)) (.cse4 (<= (+ ~a0~0 99) 0)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse18 (= ~a2~0 4)) (.cse10 (not .cse2)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse9 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse5 .cse3 .cse9) (and .cse8 .cse10 .cse6 .cse11) (and .cse8 .cse0 .cse3 .cse12 .cse13 .cse11) (and .cse0 .cse3 .cse4 .cse12 .cse13) (and .cse0 .cse3 .cse14 .cse15) (and .cse6 .cse7 .cse12) (and .cse0 .cse16 .cse1 .cse12) (and .cse0 .cse1 .cse15 (exists ((v_z_35 Int) (v_y_35 Int)) (and (<= 0 (+ (* v_y_35 10) 44 (* v_z_35 9))) (<= 0 v_z_35) (<= v_z_35 9) (<= (+ (div (* v_z_35 81) 10) (* v_y_35 9)) (+ 595383 ~a0~0))))) (and .cse0 .cse5 .cse3 .cse1) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse2) (and .cse6 .cse15 .cse17) (and .cse0 .cse3 .cse14 .cse1 .cse12) (and .cse4 .cse6) (and (<= 0 (+ ~a0~0 459337)) .cse0 .cse15 .cse11) (and .cse0 .cse3 .cse1 .cse18) (and .cse0 .cse3 .cse16 .cse4 .cse18) (and .cse6 .cse2 .cse17) (and .cse6 .cse18) (and .cse10 .cse6 .cse9)))) [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,815 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,816 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,817 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,818 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,819 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,820 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-12-20 17:20:34,822 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:20:34,824 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 17:20:34,835 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_35 : int, v_y_35 : int :: ((0 <= v_y_35 * 10 + 44 + v_z_35 * 9 && 0 <= v_z_35) && v_z_35 <= 9) && v_z_35 * 81 / 10 + v_y_35 * 9 <= 595383 + ~a0~0) could not be translated [2023-12-20 17:20:34,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 05:20:34 BoogieIcfgContainer [2023-12-20 17:20:34,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 17:20:34,837 INFO L158 Benchmark]: Toolchain (without parser) took 77179.84ms. Allocated memory was 295.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 242.7MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-20 17:20:34,837 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 201.3MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 17:20:34,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.86ms. Allocated memory is still 295.7MB. Free memory was 242.7MB in the beginning and 163.5MB in the end (delta: 79.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. [2023-12-20 17:20:34,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.88ms. Allocated memory is still 295.7MB. Free memory was 163.0MB in the beginning and 124.2MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-20 17:20:34,837 INFO L158 Benchmark]: Boogie Preprocessor took 255.81ms. Allocated memory is still 295.7MB. Free memory was 124.2MB in the beginning and 223.1MB in the end (delta: -98.9MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. [2023-12-20 17:20:34,837 INFO L158 Benchmark]: RCFGBuilder took 1828.35ms. Allocated memory was 295.7MB in the beginning and 469.8MB in the end (delta: 174.1MB). Free memory was 222.6MB in the beginning and 266.3MB in the end (delta: -43.7MB). Peak memory consumption was 131.9MB. Max. memory is 8.0GB. [2023-12-20 17:20:34,838 INFO L158 Benchmark]: TraceAbstraction took 74254.79ms. Allocated memory was 469.8MB in the beginning and 2.7GB in the end (delta: 2.3GB). Free memory was 265.3MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-12-20 17:20:34,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 201.3MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 687.86ms. Allocated memory is still 295.7MB. Free memory was 242.7MB in the beginning and 163.5MB in the end (delta: 79.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 146.88ms. Allocated memory is still 295.7MB. Free memory was 163.0MB in the beginning and 124.2MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 255.81ms. Allocated memory is still 295.7MB. Free memory was 124.2MB in the beginning and 223.1MB in the end (delta: -98.9MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1828.35ms. Allocated memory was 295.7MB in the beginning and 469.8MB in the end (delta: 174.1MB). Free memory was 222.6MB in the beginning and 266.3MB in the end (delta: -43.7MB). Peak memory consumption was 131.9MB. Max. memory is 8.0GB. * TraceAbstraction took 74254.79ms. Allocated memory was 469.8MB in the beginning and 2.7GB in the end (delta: 2.3GB). Free memory was 265.3MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_35 : int, v_y_35 : int :: ((0 <= v_y_35 * 10 + 44 + v_z_35 * 9 && 0 <= v_z_35) && v_z_35 <= 9) && v_z_35 * 81 / 10 + v_y_35 * 9 <= 595383 + ~a0~0) could not be translated * 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: 215]: 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, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 74.2s, OverallIterations: 27, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 40.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8152 SdHoareTripleChecker+Valid, 36.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8152 mSDsluCounter, 10361 SdHoareTripleChecker+Invalid, 30.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1038 mSDsCounter, 5479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28548 IncrementalHoareTripleChecker+Invalid, 34027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5479 mSolverCounterUnsat, 9323 mSDtfsCounter, 28548 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6137 GetRequests, 6085 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30009occurred in iteration=21, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 53407 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 79 NumberOfFragments, 428 HoareAnnotationTreeSize, 1 FormulaSimplifications, 31806 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 1 FormulaSimplificationsInter, 17088 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 21758 NumberOfCodeBlocks, 21758 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 22767 ConstructedInterpolants, 332 QuantifiedInterpolants, 82074 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5851 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 33691/37380 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: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((42 + a4) <= 0) && ((a0 + 147) <= 0)) && (3 == a2)) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (3 == a2))) || (((2 == a2) && ((89 + a4) <= 0)) && (0 <= (a0 + 60)))) || (((((0 <= (a29 + 14)) && ((42 + a4) <= 0)) && (2 == a2)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0))) || ((((0 <= (a29 + 14)) && !((3 == a2))) && ((89 + a4) <= 0)) && ((a0 + 61) <= 0))) || ((((((0 <= (a29 + 14)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (5 <= a2)) && (0 <= (((9 * a0) / 10) + 4794))) && ((a0 + 61) <= 0))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (5 <= a2)) && (0 <= (((9 * a0) / 10) + 4794)))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (600177 + a0))) && (a2 == 1))) || ((((89 + a4) <= 0) && (0 <= (a0 + 60))) && (5 <= a2))) || (((((42 + a4) <= 0) && (44 <= a29)) && ((a0 + 147) <= 0)) && (5 <= a2))) || ((((42 + a4) <= 0) && ((a0 + 147) <= 0)) && (a2 == 1))) || (((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || (((0 <= (97 + a0)) && ((89 + a4) <= 0)) && (3 == a2))) || ((((89 + a4) <= 0) && (a2 == 1)) && ((a29 + 127) <= 0))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (600177 + a0))) && ((a0 + 147) <= 0)) && (5 <= a2))) || (((a0 + 99) <= 0) && ((89 + a4) <= 0))) || ((((0 <= (a0 + 459337)) && ((42 + a4) <= 0)) && (a2 == 1)) && ((a0 + 61) <= 0))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (a2 == 4))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (44 <= a29)) && ((a0 + 99) <= 0)) && (a2 == 4))) || ((((89 + a4) <= 0) && (3 == a2)) && ((a29 + 127) <= 0))) || (((89 + a4) <= 0) && (a2 == 4))) || ((!((3 == a2)) && ((89 + a4) <= 0)) && ((98 + a0) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-20 17:20:34,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...