/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_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 17:18:24,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 17:18:24,683 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 17:18:24,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 17:18:24,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 17:18:24,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 17:18:24,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 17:18:24,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 17:18:24,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 17:18:24,701 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 17:18:24,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 17:18:24,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 17:18:24,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 17:18:24,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 17:18:24,702 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 17:18:24,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 17:18:24,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 17:18:24,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 17:18:24,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 17:18:24,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 17:18:24,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 17:18:24,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 17:18:24,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 17:18:24,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 17:18:24,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 17:18:24,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 17:18:24,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 17:18:24,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 17:18:24,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 17:18:24,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 17:18:24,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 17:18:24,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 17:18:24,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:18:24,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 17:18:24,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 17:18:24,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 17:18:24,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 17:18:24,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 17:18:24,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 17:18:24,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 17:18:24,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 17:18:24,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 17:18:24,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 17:18:24,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 17:18:24,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 17:18:24,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 17:18:24,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 17:18:24,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 17:18:24,928 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 17:18:24,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label35.c [2023-12-20 17:18:26,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 17:18:26,301 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 17:18:26,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label35.c [2023-12-20 17:18:26,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142e16ea6/89b79be73e1b4b60b5dfa59d021d43fb/FLAG50388ddb8 [2023-12-20 17:18:26,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142e16ea6/89b79be73e1b4b60b5dfa59d021d43fb [2023-12-20 17:18:26,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 17:18:26,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 17:18:26,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 17:18:26,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 17:18:26,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 17:18:26,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:18:26" (1/1) ... [2023-12-20 17:18:26,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7505523b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:26, skipping insertion in model container [2023-12-20 17:18:26,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:18:26" (1/1) ... [2023-12-20 17:18:26,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 17:18:26,543 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_label35.c[4490,4503] [2023-12-20 17:18:26,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:18:26,836 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 17:18:26,860 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_label35.c[4490,4503] [2023-12-20 17:18:27,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:18:27,059 INFO L206 MainTranslator]: Completed translation [2023-12-20 17:18:27,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27 WrapperNode [2023-12-20 17:18:27,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 17:18:27,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 17:18:27,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 17:18:27,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 17:18:27,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,208 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1760 [2023-12-20 17:18:27,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 17:18:27,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 17:18:27,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 17:18:27,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 17:18:27,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,289 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 17:18:27,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 17:18:27,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 17:18:27,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 17:18:27,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 17:18:27,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (1/1) ... [2023-12-20 17:18:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:18:27,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:18:27,541 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 17:18:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 17:18:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 17:18:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 17:18:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 17:18:27,561 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 17:18:27,616 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 17:18:27,617 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 17:18:29,450 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 17:18:29,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 17:18:29,487 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 17:18:29,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:18:29 BoogieIcfgContainer [2023-12-20 17:18:29,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 17:18:29,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 17:18:29,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 17:18:29,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 17:18:29,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 05:18:26" (1/3) ... [2023-12-20 17:18:29,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb1d44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:18:29, skipping insertion in model container [2023-12-20 17:18:29,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:18:27" (2/3) ... [2023-12-20 17:18:29,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb1d44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:18:29, skipping insertion in model container [2023-12-20 17:18:29,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:18:29" (3/3) ... [2023-12-20 17:18:29,493 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label35.c [2023-12-20 17:18:29,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 17:18:29,504 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 17:18:29,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 17:18:29,555 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;@5bc5bd0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 17:18:29,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 17:18:29,560 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 17:18:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-20 17:18:29,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:29,566 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] [2023-12-20 17:18:29,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:29,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1299030564, now seen corresponding path program 1 times [2023-12-20 17:18:29,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:29,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960001374] [2023-12-20 17:18:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:29,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:29,708 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 17:18:29,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:29,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960001374] [2023-12-20 17:18:29,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960001374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:29,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:29,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:29,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183805880] [2023-12-20 17:18:29,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:29,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 17:18:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:29,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 17:18:29,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 17:18:29,740 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:18:29,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:29,789 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-12-20 17:18:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 17:18:29,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2023-12-20 17:18:29,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:29,799 INFO L225 Difference]: With dead ends: 723 [2023-12-20 17:18:29,799 INFO L226 Difference]: Without dead ends: 360 [2023-12-20 17:18:29,801 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 17:18:29,803 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 17:18:29,804 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 17:18:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-20 17:18:29,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-12-20 17:18:29,835 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 17:18:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-12-20 17:18:29,838 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 35 [2023-12-20 17:18:29,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:29,838 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-12-20 17:18:29,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:18:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-12-20 17:18:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-20 17:18:29,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:29,839 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] [2023-12-20 17:18:29,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 17:18:29,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:29,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:29,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1618624743, now seen corresponding path program 1 times [2023-12-20 17:18:29,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:29,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155911860] [2023-12-20 17:18:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:29,960 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 17:18:29,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:29,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155911860] [2023-12-20 17:18:29,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155911860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:29,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:29,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216727994] [2023-12-20 17:18:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:29,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:29,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:29,963 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:18:31,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:31,198 INFO L93 Difference]: Finished difference Result 1025 states and 1788 transitions. [2023-12-20 17:18:31,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:31,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2023-12-20 17:18:31,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:31,202 INFO L225 Difference]: With dead ends: 1025 [2023-12-20 17:18:31,202 INFO L226 Difference]: Without dead ends: 666 [2023-12-20 17:18:31,203 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 17:18:31,208 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 292 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:31,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 316 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:18:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2023-12-20 17:18:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 664. [2023-12-20 17:18:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 663 states have (on average 1.4796380090497738) internal successors, (981), 663 states have internal predecessors, (981), 0 states have call successors, (0), 0 states 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 17:18:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 981 transitions. [2023-12-20 17:18:31,257 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 981 transitions. Word has length 35 [2023-12-20 17:18:31,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:31,257 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 981 transitions. [2023-12-20 17:18:31,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:18:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 981 transitions. [2023-12-20 17:18:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 17:18:31,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:31,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:31,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 17:18:31,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:31,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:31,261 INFO L85 PathProgramCache]: Analyzing trace with hash 800852888, now seen corresponding path program 1 times [2023-12-20 17:18:31,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:31,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452697011] [2023-12-20 17:18:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:31,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:18:31,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:31,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452697011] [2023-12-20 17:18:31,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452697011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:31,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:31,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:31,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460454922] [2023-12-20 17:18:31,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:31,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:31,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:31,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:31,459 INFO L87 Difference]: Start difference. First operand 664 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 17:18:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:33,127 INFO L93 Difference]: Finished difference Result 1952 states and 2892 transitions. [2023-12-20 17:18:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:33,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 17:18:33,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:33,131 INFO L225 Difference]: With dead ends: 1952 [2023-12-20 17:18:33,131 INFO L226 Difference]: Without dead ends: 1289 [2023-12-20 17:18:33,133 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 17:18:33,134 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 257 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:33,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 323 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 17:18:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-12-20 17:18:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1281. [2023-12-20 17:18:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.39921875) internal successors, (1791), 1280 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states 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 17:18:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1791 transitions. [2023-12-20 17:18:33,155 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1791 transitions. Word has length 110 [2023-12-20 17:18:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:33,155 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 1791 transitions. [2023-12-20 17:18:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 17:18:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1791 transitions. [2023-12-20 17:18:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 17:18:33,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:33,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:33,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 17:18:33,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:33,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash -296139314, now seen corresponding path program 1 times [2023-12-20 17:18:33,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:33,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790263737] [2023-12-20 17:18:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:18:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790263737] [2023-12-20 17:18:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790263737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:33,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:33,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:33,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406292194] [2023-12-20 17:18:33,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:33,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:33,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:33,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:33,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:33,258 INFO L87 Difference]: Start difference. First operand 1281 states and 1791 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 17:18:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:34,994 INFO L93 Difference]: Finished difference Result 3763 states and 5262 transitions. [2023-12-20 17:18:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:34,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 17:18:34,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:35,001 INFO L225 Difference]: With dead ends: 3763 [2023-12-20 17:18:35,001 INFO L226 Difference]: Without dead ends: 2483 [2023-12-20 17:18:35,003 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 17:18:35,004 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:35,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 364 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 17:18:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2023-12-20 17:18:35,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2181. [2023-12-20 17:18:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 2180 states have (on average 1.281651376146789) internal successors, (2794), 2180 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states 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 17:18:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2794 transitions. [2023-12-20 17:18:35,052 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2794 transitions. Word has length 114 [2023-12-20 17:18:35,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:35,052 INFO L495 AbstractCegarLoop]: Abstraction has 2181 states and 2794 transitions. [2023-12-20 17:18:35,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 17:18:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2794 transitions. [2023-12-20 17:18:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-20 17:18:35,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:35,075 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:18:35,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 17:18:35,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:35,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:35,076 INFO L85 PathProgramCache]: Analyzing trace with hash -40763892, now seen corresponding path program 1 times [2023-12-20 17:18:35,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:35,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313438203] [2023-12-20 17:18:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-20 17:18:35,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:35,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313438203] [2023-12-20 17:18:35,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313438203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:35,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:35,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:35,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173382074] [2023-12-20 17:18:35,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:35,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:35,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:35,323 INFO L87 Difference]: Start difference. First operand 2181 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:18:36,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:36,418 INFO L93 Difference]: Finished difference Result 6165 states and 7960 transitions. [2023-12-20 17:18:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:36,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2023-12-20 17:18:36,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:36,428 INFO L225 Difference]: With dead ends: 6165 [2023-12-20 17:18:36,428 INFO L226 Difference]: Without dead ends: 3985 [2023-12-20 17:18:36,431 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 17:18:36,436 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, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:36,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 337 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:18:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2023-12-20 17:18:36,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3681. [2023-12-20 17:18:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3680 states have (on average 1.2201086956521738) internal successors, (4490), 3680 states have internal predecessors, (4490), 0 states have call successors, (0), 0 states 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 17:18:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4490 transitions. [2023-12-20 17:18:36,490 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4490 transitions. Word has length 205 [2023-12-20 17:18:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:36,492 INFO L495 AbstractCegarLoop]: Abstraction has 3681 states and 4490 transitions. [2023-12-20 17:18:36,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:18:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4490 transitions. [2023-12-20 17:18:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-20 17:18:36,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:36,498 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:18:36,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 17:18:36,498 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:36,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:36,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1357926574, now seen corresponding path program 1 times [2023-12-20 17:18:36,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:36,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112685185] [2023-12-20 17:18:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-20 17:18:36,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:36,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112685185] [2023-12-20 17:18:36,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112685185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:36,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:36,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:18:36,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8209254] [2023-12-20 17:18:36,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:36,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:36,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:36,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:36,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:36,966 INFO L87 Difference]: Start difference. First operand 3681 states and 4490 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 17:18:38,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:38,034 INFO L93 Difference]: Finished difference Result 7660 states and 9290 transitions. [2023-12-20 17:18:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:38,036 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 307 [2023-12-20 17:18:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:38,045 INFO L225 Difference]: With dead ends: 7660 [2023-12-20 17:18:38,045 INFO L226 Difference]: Without dead ends: 3980 [2023-12-20 17:18:38,049 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 17:18:38,049 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:38,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:18:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3980 states. [2023-12-20 17:18:38,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3980 to 3980. [2023-12-20 17:18:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 3979 states have (on average 1.2050766524252325) internal successors, (4795), 3979 states have internal predecessors, (4795), 0 states have call successors, (0), 0 states 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 17:18:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 4795 transitions. [2023-12-20 17:18:38,102 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 4795 transitions. Word has length 307 [2023-12-20 17:18:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:38,102 INFO L495 AbstractCegarLoop]: Abstraction has 3980 states and 4795 transitions. [2023-12-20 17:18:38,102 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 17:18:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 4795 transitions. [2023-12-20 17:18:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2023-12-20 17:18:38,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:38,105 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:18:38,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 17:18:38,105 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:38,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:38,105 INFO L85 PathProgramCache]: Analyzing trace with hash 92751737, now seen corresponding path program 1 times [2023-12-20 17:18:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:38,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719391598] [2023-12-20 17:18:38,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-20 17:18:38,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:38,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719391598] [2023-12-20 17:18:38,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719391598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:38,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:38,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:38,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571477575] [2023-12-20 17:18:38,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:38,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:38,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:38,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:38,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:38,307 INFO L87 Difference]: Start difference. First operand 3980 states and 4795 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states 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 17:18:39,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:39,767 INFO L93 Difference]: Finished difference Result 9464 states and 11673 transitions. [2023-12-20 17:18:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:39,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 322 [2023-12-20 17:18:39,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:39,779 INFO L225 Difference]: With dead ends: 9464 [2023-12-20 17:18:39,779 INFO L226 Difference]: Without dead ends: 5784 [2023-12-20 17:18:39,783 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 17:18:39,783 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 280 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:39,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 668 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:18:39,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5784 states. [2023-12-20 17:18:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5784 to 5782. [2023-12-20 17:18:39,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 5781 states have (on average 1.167618059159315) internal successors, (6750), 5781 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states 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 17:18:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 6750 transitions. [2023-12-20 17:18:39,842 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 6750 transitions. Word has length 322 [2023-12-20 17:18:39,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:39,842 INFO L495 AbstractCegarLoop]: Abstraction has 5782 states and 6750 transitions. [2023-12-20 17:18:39,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states 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 17:18:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 6750 transitions. [2023-12-20 17:18:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-12-20 17:18:39,846 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:39,846 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:39,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 17:18:39,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:39,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:39,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1272626532, now seen corresponding path program 1 times [2023-12-20 17:18:39,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:39,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144110877] [2023-12-20 17:18:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:39,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-20 17:18:40,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:40,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144110877] [2023-12-20 17:18:40,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144110877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:40,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:40,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354853405] [2023-12-20 17:18:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:40,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:40,056 INFO L87 Difference]: Start difference. First operand 5782 states and 6750 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 17:18:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:41,326 INFO L93 Difference]: Finished difference Result 13363 states and 15909 transitions. [2023-12-20 17:18:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 381 [2023-12-20 17:18:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:41,344 INFO L225 Difference]: With dead ends: 13363 [2023-12-20 17:18:41,344 INFO L226 Difference]: Without dead ends: 7881 [2023-12-20 17:18:41,349 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 17:18:41,350 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 291 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:41,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 632 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:18:41,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2023-12-20 17:18:41,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7283. [2023-12-20 17:18:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7283 states, 7282 states have (on average 1.148722878330129) internal successors, (8365), 7282 states have internal predecessors, (8365), 0 states have call successors, (0), 0 states 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 17:18:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7283 states to 7283 states and 8365 transitions. [2023-12-20 17:18:41,464 INFO L78 Accepts]: Start accepts. Automaton has 7283 states and 8365 transitions. Word has length 381 [2023-12-20 17:18:41,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:41,464 INFO L495 AbstractCegarLoop]: Abstraction has 7283 states and 8365 transitions. [2023-12-20 17:18:41,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 17:18:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 7283 states and 8365 transitions. [2023-12-20 17:18:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-12-20 17:18:41,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:41,469 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:41,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 17:18:41,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:41,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:41,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2126128651, now seen corresponding path program 1 times [2023-12-20 17:18:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:41,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131297789] [2023-12-20 17:18:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:41,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-20 17:18:41,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:41,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131297789] [2023-12-20 17:18:41,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131297789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:41,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:41,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:41,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490949085] [2023-12-20 17:18:41,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:41,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:41,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:41,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:41,672 INFO L87 Difference]: Start difference. First operand 7283 states and 8365 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 17:18:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:42,948 INFO L93 Difference]: Finished difference Result 16068 states and 18813 transitions. [2023-12-20 17:18:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:42,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 396 [2023-12-20 17:18:42,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:42,972 INFO L225 Difference]: With dead ends: 16068 [2023-12-20 17:18:42,972 INFO L226 Difference]: Without dead ends: 9085 [2023-12-20 17:18:42,979 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 17:18:42,979 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 293 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:42,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 620 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:18:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2023-12-20 17:18:43,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 8480. [2023-12-20 17:18:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8480 states, 8479 states have (on average 1.1379879702795141) internal successors, (9649), 8479 states have internal predecessors, (9649), 0 states have call successors, (0), 0 states 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 17:18:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8480 states to 8480 states and 9649 transitions. [2023-12-20 17:18:43,084 INFO L78 Accepts]: Start accepts. Automaton has 8480 states and 9649 transitions. Word has length 396 [2023-12-20 17:18:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:43,085 INFO L495 AbstractCegarLoop]: Abstraction has 8480 states and 9649 transitions. [2023-12-20 17:18:43,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 17:18:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8480 states and 9649 transitions. [2023-12-20 17:18:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-12-20 17:18:43,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:43,091 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:43,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 17:18:43,092 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:43,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:43,095 INFO L85 PathProgramCache]: Analyzing trace with hash 699725088, now seen corresponding path program 1 times [2023-12-20 17:18:43,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:43,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658170497] [2023-12-20 17:18:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-20 17:18:43,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:43,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658170497] [2023-12-20 17:18:43,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658170497] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:43,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:43,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:43,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544491077] [2023-12-20 17:18:43,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:43,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:43,396 INFO L87 Difference]: Start difference. First operand 8480 states and 9649 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states 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 17:18:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:44,793 INFO L93 Difference]: Finished difference Result 19650 states and 22542 transitions. [2023-12-20 17:18:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:44,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 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 486 [2023-12-20 17:18:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:44,809 INFO L225 Difference]: With dead ends: 19650 [2023-12-20 17:18:44,810 INFO L226 Difference]: Without dead ends: 11470 [2023-12-20 17:18:44,817 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 17:18:44,817 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 147 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:44,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 313 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 17:18:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11470 states. [2023-12-20 17:18:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11470 to 7577. [2023-12-20 17:18:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7577 states, 7576 states have (on average 1.1486272439281944) internal successors, (8702), 7576 states have internal predecessors, (8702), 0 states have call successors, (0), 0 states 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 17:18:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 8702 transitions. [2023-12-20 17:18:44,890 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 8702 transitions. Word has length 486 [2023-12-20 17:18:44,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:44,891 INFO L495 AbstractCegarLoop]: Abstraction has 7577 states and 8702 transitions. [2023-12-20 17:18:44,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states 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 17:18:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 8702 transitions. [2023-12-20 17:18:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2023-12-20 17:18:44,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:44,897 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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 17:18:44,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 17:18:44,897 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:44,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:44,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2045678992, now seen corresponding path program 1 times [2023-12-20 17:18:44,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:44,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317630549] [2023-12-20 17:18:44,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 477 proven. 39 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-12-20 17:18:45,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:45,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317630549] [2023-12-20 17:18:45,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317630549] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:18:45,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240884440] [2023-12-20 17:18:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:45,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:18:45,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:18:45,462 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 17:18:45,467 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 17:18:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:45,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:18:45,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:18:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-20 17:18:45,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:18:45,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240884440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:45,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:18:45,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:18:45,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742478864] [2023-12-20 17:18:45,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:45,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:45,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:45,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:45,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:18:45,704 INFO L87 Difference]: Start difference. First operand 7577 states and 8702 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:18:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:46,988 INFO L93 Difference]: Finished difference Result 17245 states and 20054 transitions. [2023-12-20 17:18:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:46,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 519 [2023-12-20 17:18:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:47,001 INFO L225 Difference]: With dead ends: 17245 [2023-12-20 17:18:47,001 INFO L226 Difference]: Without dead ends: 9968 [2023-12-20 17:18:47,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:18:47,007 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 381 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 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, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:47,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 444 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:18:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2023-12-20 17:18:47,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 9968. [2023-12-20 17:18:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9968 states, 9967 states have (on average 1.1499949834453698) internal successors, (11462), 9967 states have internal predecessors, (11462), 0 states have call successors, (0), 0 states 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 17:18:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 11462 transitions. [2023-12-20 17:18:47,091 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 11462 transitions. Word has length 519 [2023-12-20 17:18:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:47,092 INFO L495 AbstractCegarLoop]: Abstraction has 9968 states and 11462 transitions. [2023-12-20 17:18:47,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:18:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 11462 transitions. [2023-12-20 17:18:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2023-12-20 17:18:47,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:47,096 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:18:47,111 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 17:18:47,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-20 17:18:47,302 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:47,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1253275814, now seen corresponding path program 1 times [2023-12-20 17:18:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:47,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968039303] [2023-12-20 17:18:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-12-20 17:18:47,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:47,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968039303] [2023-12-20 17:18:47,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968039303] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:47,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:47,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:47,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505187889] [2023-12-20 17:18:47,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:47,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:47,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:47,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:47,699 INFO L87 Difference]: Start difference. First operand 9968 states and 11462 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states 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 17:18:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:49,689 INFO L93 Difference]: Finished difference Result 24135 states and 28001 transitions. [2023-12-20 17:18:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:49,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 523 [2023-12-20 17:18:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:49,732 INFO L225 Difference]: With dead ends: 24135 [2023-12-20 17:18:49,748 INFO L226 Difference]: Without dead ends: 14467 [2023-12-20 17:18:49,757 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 17:18:49,758 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 246 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:49,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 618 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 17:18:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14467 states. [2023-12-20 17:18:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14467 to 14157. [2023-12-20 17:18:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.13485447866629) internal successors, (16065), 14156 states have internal predecessors, (16065), 0 states have call successors, (0), 0 states 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 17:18:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 16065 transitions. [2023-12-20 17:18:50,018 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 16065 transitions. Word has length 523 [2023-12-20 17:18:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:50,019 INFO L495 AbstractCegarLoop]: Abstraction has 14157 states and 16065 transitions. [2023-12-20 17:18:50,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states 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 17:18:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 16065 transitions. [2023-12-20 17:18:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-12-20 17:18:50,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:50,035 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1] [2023-12-20 17:18:50,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 17:18:50,035 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:50,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:50,036 INFO L85 PathProgramCache]: Analyzing trace with hash 41189669, now seen corresponding path program 1 times [2023-12-20 17:18:50,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:50,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992534167] [2023-12-20 17:18:50,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:50,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 634 proven. 39 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-12-20 17:18:50,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:50,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992534167] [2023-12-20 17:18:50,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992534167] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:18:50,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294939750] [2023-12-20 17:18:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:50,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:18:50,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:18:50,593 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 17:18:50,636 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 17:18:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:50,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:18:50,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:18:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-12-20 17:18:50,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:18:50,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294939750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:50,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:18:50,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:18:50,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131909046] [2023-12-20 17:18:50,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:50,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:50,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:50,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:50,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:18:50,860 INFO L87 Difference]: Start difference. First operand 14157 states and 16065 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states 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 17:18:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:52,111 INFO L93 Difference]: Finished difference Result 27711 states and 31489 transitions. [2023-12-20 17:18:52,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:52,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 598 [2023-12-20 17:18:52,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:52,125 INFO L225 Difference]: With dead ends: 27711 [2023-12-20 17:18:52,125 INFO L226 Difference]: Without dead ends: 13854 [2023-12-20 17:18:52,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:18:52,137 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 252 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:52,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 601 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:18:52,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13854 states. [2023-12-20 17:18:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13854 to 13853. [2023-12-20 17:18:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13853 states, 13852 states have (on average 1.081648859370488) internal successors, (14983), 13852 states have internal predecessors, (14983), 0 states have call successors, (0), 0 states 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 17:18:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13853 states to 13853 states and 14983 transitions. [2023-12-20 17:18:52,259 INFO L78 Accepts]: Start accepts. Automaton has 13853 states and 14983 transitions. Word has length 598 [2023-12-20 17:18:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:52,259 INFO L495 AbstractCegarLoop]: Abstraction has 13853 states and 14983 transitions. [2023-12-20 17:18:52,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states 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 17:18:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 13853 states and 14983 transitions. [2023-12-20 17:18:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-12-20 17:18:52,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:52,266 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:18:52,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 17:18:52,472 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,SelfDestructingSolverStorable12 [2023-12-20 17:18:52,472 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:52,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1363559087, now seen corresponding path program 1 times [2023-12-20 17:18:52,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773253853] [2023-12-20 17:18:52,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 561 proven. 39 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-20 17:18:52,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:52,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773253853] [2023-12-20 17:18:52,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773253853] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:18:52,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765506384] [2023-12-20 17:18:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:52,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:18:52,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:18:53,005 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 17:18:53,005 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 17:18:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:53,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 17:18:53,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:18:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-20 17:18:53,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:18:53,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765506384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:53,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:18:53,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:18:53,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319785410] [2023-12-20 17:18:53,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:53,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:18:53,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:53,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:18:53,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:18:53,803 INFO L87 Difference]: Start difference. First operand 13853 states and 14983 transitions. Second operand has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states 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 17:18:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:55,520 INFO L93 Difference]: Finished difference Result 28903 states and 31297 transitions. [2023-12-20 17:18:55,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:18:55,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 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 599 [2023-12-20 17:18:55,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:55,535 INFO L225 Difference]: With dead ends: 28903 [2023-12-20 17:18:55,535 INFO L226 Difference]: Without dead ends: 15051 [2023-12-20 17:18:55,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 597 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 17:18:55,544 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 317 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:55,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 355 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 17:18:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15051 states. [2023-12-20 17:18:55,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15051 to 14751. [2023-12-20 17:18:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14751 states, 14750 states have (on average 1.079728813559322) internal successors, (15926), 14750 states have internal predecessors, (15926), 0 states have call successors, (0), 0 states 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 17:18:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14751 states to 14751 states and 15926 transitions. [2023-12-20 17:18:55,659 INFO L78 Accepts]: Start accepts. Automaton has 14751 states and 15926 transitions. Word has length 599 [2023-12-20 17:18:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:55,659 INFO L495 AbstractCegarLoop]: Abstraction has 14751 states and 15926 transitions. [2023-12-20 17:18:55,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states 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 17:18:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14751 states and 15926 transitions. [2023-12-20 17:18:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2023-12-20 17:18:55,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:55,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 17:18:55,674 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 17:18:55,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:18:55,873 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:55,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:55,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1959120933, now seen corresponding path program 1 times [2023-12-20 17:18:55,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:55,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833365634] [2023-12-20 17:18:55,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:55,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-12-20 17:18:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833365634] [2023-12-20 17:18:56,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833365634] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:56,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:56,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830799655] [2023-12-20 17:18:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:56,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:56,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:56,102 INFO L87 Difference]: Start difference. First operand 14751 states and 15926 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states 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 17:18:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:57,569 INFO L93 Difference]: Finished difference Result 37569 states and 40550 transitions. [2023-12-20 17:18:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:57,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 636 [2023-12-20 17:18:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:57,586 INFO L225 Difference]: With dead ends: 37569 [2023-12-20 17:18:57,586 INFO L226 Difference]: Without dead ends: 18932 [2023-12-20 17:18:57,594 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 17:18:57,595 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 280 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:57,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 643 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:18:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2023-12-20 17:18:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 17138. [2023-12-20 17:18:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17138 states, 17137 states have (on average 1.0516426445702283) internal successors, (18022), 17137 states have internal predecessors, (18022), 0 states have call successors, (0), 0 states 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 17:18:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17138 states to 17138 states and 18022 transitions. [2023-12-20 17:18:57,726 INFO L78 Accepts]: Start accepts. Automaton has 17138 states and 18022 transitions. Word has length 636 [2023-12-20 17:18:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:57,727 INFO L495 AbstractCegarLoop]: Abstraction has 17138 states and 18022 transitions. [2023-12-20 17:18:57,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states 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 17:18:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 17138 states and 18022 transitions. [2023-12-20 17:18:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2023-12-20 17:18:57,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:57,734 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:57,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 17:18:57,734 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:57,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash -150638533, now seen corresponding path program 1 times [2023-12-20 17:18:57,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:57,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346954425] [2023-12-20 17:18:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:57,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-20 17:18:58,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:58,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346954425] [2023-12-20 17:18:58,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346954425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:58,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:58,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051898657] [2023-12-20 17:18:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:58,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:58,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:58,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:58,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:58,113 INFO L87 Difference]: Start difference. First operand 17138 states and 18022 transitions. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 17:18:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:18:59,309 INFO L93 Difference]: Finished difference Result 39664 states and 41722 transitions. [2023-12-20 17:18:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:18:59,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 660 [2023-12-20 17:18:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:18:59,327 INFO L225 Difference]: With dead ends: 39664 [2023-12-20 17:18:59,327 INFO L226 Difference]: Without dead ends: 20135 [2023-12-20 17:18:59,338 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 17:18:59,339 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 90 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:18:59,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 564 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:18:59,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20135 states. [2023-12-20 17:18:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20135 to 20133. [2023-12-20 17:18:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20133 states, 20132 states have (on average 1.0469898668786013) internal successors, (21078), 20132 states have internal predecessors, (21078), 0 states have call successors, (0), 0 states 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 17:18:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 21078 transitions. [2023-12-20 17:18:59,492 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 21078 transitions. Word has length 660 [2023-12-20 17:18:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:18:59,493 INFO L495 AbstractCegarLoop]: Abstraction has 20133 states and 21078 transitions. [2023-12-20 17:18:59,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 17:18:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 21078 transitions. [2023-12-20 17:18:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-12-20 17:18:59,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:18:59,505 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:18:59,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 17:18:59,505 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:18:59,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:18:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1378630746, now seen corresponding path program 1 times [2023-12-20 17:18:59,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:18:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353703194] [2023-12-20 17:18:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:18:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:18:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:18:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-20 17:18:59,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:18:59,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353703194] [2023-12-20 17:18:59,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353703194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:18:59,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:18:59,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:18:59,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623486445] [2023-12-20 17:18:59,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:18:59,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:18:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:18:59,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:18:59,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:18:59,828 INFO L87 Difference]: Start difference. First operand 20133 states and 21078 transitions. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states 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 17:19:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:00,957 INFO L93 Difference]: Finished difference Result 44448 states and 46623 transitions. [2023-12-20 17:19:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:00,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 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 762 [2023-12-20 17:19:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:00,979 INFO L225 Difference]: With dead ends: 44448 [2023-12-20 17:19:00,979 INFO L226 Difference]: Without dead ends: 24316 [2023-12-20 17:19:00,995 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 17:19:00,995 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 184 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:00,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 215 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:19:01,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24316 states. [2023-12-20 17:19:01,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24316 to 22223. [2023-12-20 17:19:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22223 states, 22222 states have (on average 1.046350463504635) internal successors, (23252), 22222 states have internal predecessors, (23252), 0 states have call successors, (0), 0 states 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 17:19:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22223 states to 22223 states and 23252 transitions. [2023-12-20 17:19:01,166 INFO L78 Accepts]: Start accepts. Automaton has 22223 states and 23252 transitions. Word has length 762 [2023-12-20 17:19:01,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:01,166 INFO L495 AbstractCegarLoop]: Abstraction has 22223 states and 23252 transitions. [2023-12-20 17:19:01,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states 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 17:19:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22223 states and 23252 transitions. [2023-12-20 17:19:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2023-12-20 17:19:01,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:01,179 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:19:01,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 17:19:01,180 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:01,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:01,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2014922092, now seen corresponding path program 1 times [2023-12-20 17:19:01,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:01,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758229325] [2023-12-20 17:19:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2023-12-20 17:19:01,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:01,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758229325] [2023-12-20 17:19:01,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758229325] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:01,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:01,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:01,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970581159] [2023-12-20 17:19:01,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:01,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:01,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:01,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:01,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:01,502 INFO L87 Difference]: Start difference. First operand 22223 states and 23252 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states 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 17:19:02,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:02,566 INFO L93 Difference]: Finished difference Result 48327 states and 50592 transitions. [2023-12-20 17:19:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:02,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 820 [2023-12-20 17:19:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:02,589 INFO L225 Difference]: With dead ends: 48327 [2023-12-20 17:19:02,589 INFO L226 Difference]: Without dead ends: 24909 [2023-12-20 17:19:02,602 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 17:19:02,608 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 317 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:02,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 551 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:19:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24909 states. [2023-12-20 17:19:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24909 to 21915. [2023-12-20 17:19:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21915 states, 21914 states have (on average 1.0428949529980833) internal successors, (22854), 21914 states have internal predecessors, (22854), 0 states have call successors, (0), 0 states 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 17:19:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21915 states to 21915 states and 22854 transitions. [2023-12-20 17:19:02,774 INFO L78 Accepts]: Start accepts. Automaton has 21915 states and 22854 transitions. Word has length 820 [2023-12-20 17:19:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:02,775 INFO L495 AbstractCegarLoop]: Abstraction has 21915 states and 22854 transitions. [2023-12-20 17:19:02,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states 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 17:19:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 21915 states and 22854 transitions. [2023-12-20 17:19:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2023-12-20 17:19:02,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:02,786 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:19:02,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 17:19:02,786 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:02,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:02,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1635210182, now seen corresponding path program 1 times [2023-12-20 17:19:02,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:02,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403325714] [2023-12-20 17:19:02,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:02,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 587 proven. 269 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-20 17:19:03,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403325714] [2023-12-20 17:19:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403325714] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:19:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840995774] [2023-12-20 17:19:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:03,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:19:03,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:19:03,907 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 17:19:03,936 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 17:19:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:04,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 17:19:04,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:19:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2023-12-20 17:19:04,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:19:04,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840995774] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:04,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:19:04,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:19:04,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745123417] [2023-12-20 17:19:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:04,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:04,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:04,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:04,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:19:04,233 INFO L87 Difference]: Start difference. First operand 21915 states and 22854 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states 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 17:19:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:05,480 INFO L93 Difference]: Finished difference Result 49530 states and 51608 transitions. [2023-12-20 17:19:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:05,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 841 [2023-12-20 17:19:05,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:05,507 INFO L225 Difference]: With dead ends: 49530 [2023-12-20 17:19:05,507 INFO L226 Difference]: Without dead ends: 27616 [2023-12-20 17:19:05,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 17:19:05,520 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 299 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:05,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 536 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:05,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27616 states. [2023-12-20 17:19:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27616 to 24912. [2023-12-20 17:19:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24912 states, 24911 states have (on average 1.0418690538316406) internal successors, (25954), 24911 states have internal predecessors, (25954), 0 states have call successors, (0), 0 states 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 17:19:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24912 states to 24912 states and 25954 transitions. [2023-12-20 17:19:05,731 INFO L78 Accepts]: Start accepts. Automaton has 24912 states and 25954 transitions. Word has length 841 [2023-12-20 17:19:05,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:05,732 INFO L495 AbstractCegarLoop]: Abstraction has 24912 states and 25954 transitions. [2023-12-20 17:19:05,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states 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 17:19:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24912 states and 25954 transitions. [2023-12-20 17:19:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2023-12-20 17:19:05,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:05,745 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-20 17:19:05,750 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 17:19:05,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:19:05,950 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:05,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1990153818, now seen corresponding path program 1 times [2023-12-20 17:19:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685719279] [2023-12-20 17:19:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-12-20 17:19:06,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:06,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685719279] [2023-12-20 17:19:06,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685719279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:19:06,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:19:06,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:19:06,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746622612] [2023-12-20 17:19:06,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:19:06,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:19:06,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:19:06,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:19:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:19:06,708 INFO L87 Difference]: Start difference. First operand 24912 states and 25954 transitions. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 17:19:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:19:07,909 INFO L93 Difference]: Finished difference Result 54626 states and 56858 transitions. [2023-12-20 17:19:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:19:07,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 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 874 [2023-12-20 17:19:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:19:07,938 INFO L225 Difference]: With dead ends: 54626 [2023-12-20 17:19:07,938 INFO L226 Difference]: Without dead ends: 29416 [2023-12-20 17:19:07,953 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 17:19:07,954 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 147 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:19:07,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 531 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:19:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29416 states. [2023-12-20 17:19:08,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29416 to 24609. [2023-12-20 17:19:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24609 states, 24608 states have (on average 1.0419375812743823) internal successors, (25640), 24608 states have internal predecessors, (25640), 0 states have call successors, (0), 0 states 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 17:19:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24609 states to 24609 states and 25640 transitions. [2023-12-20 17:19:08,282 INFO L78 Accepts]: Start accepts. Automaton has 24609 states and 25640 transitions. Word has length 874 [2023-12-20 17:19:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:19:08,283 INFO L495 AbstractCegarLoop]: Abstraction has 24609 states and 25640 transitions. [2023-12-20 17:19:08,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 17:19:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24609 states and 25640 transitions. [2023-12-20 17:19:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2023-12-20 17:19:08,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:19:08,294 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:19:08,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 17:19:08,294 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:19:08,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:19:08,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1905417787, now seen corresponding path program 1 times [2023-12-20 17:19:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:19:08,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175373217] [2023-12-20 17:19:08,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:19:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 661 proven. 269 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-20 17:19:09,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:19:09,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175373217] [2023-12-20 17:19:09,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175373217] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:19:09,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545991755] [2023-12-20 17:19:09,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:19:09,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:19:09,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:19:09,609 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 17:19:09,633 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 17:19:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:19:09,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:19:09,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:19:43,377 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 17:19:52,894 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 19 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 17:20:38,753 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-20 17:20:38,757 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-20 17:20:38,761 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-20 17:20:42,850 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-20 17:20:52,813 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-20 17:21:05,003 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-20 17:21:05,006 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-20 17:21:05,013 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-20 17:21:05,079 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-20 17:21:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-12-20 17:21:18,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:21:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545991755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:21:18,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:21:18,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:21:18,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587624645] [2023-12-20 17:21:18,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:21:18,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:21:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:21:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:21:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=20, Unknown=1, NotChecked=0, Total=30 [2023-12-20 17:21:18,686 INFO L87 Difference]: Start difference. First operand 24609 states and 25640 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states 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 17:21:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:21:19,889 INFO L93 Difference]: Finished difference Result 54321 states and 56556 transitions. [2023-12-20 17:21:19,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:21:19,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 878 [2023-12-20 17:21:19,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:21:19,918 INFO L225 Difference]: With dead ends: 54321 [2023-12-20 17:21:19,918 INFO L226 Difference]: Without dead ends: 29713 [2023-12-20 17:21:19,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=9, Invalid=20, Unknown=1, NotChecked=0, Total=30 [2023-12-20 17:21:19,935 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 317 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:21:19,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 446 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:21:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29713 states. [2023-12-20 17:21:20,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29713 to 24016. [2023-12-20 17:21:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24016 states, 24015 states have (on average 1.0428898605038517) internal successors, (25045), 24015 states have internal predecessors, (25045), 0 states have call successors, (0), 0 states 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 17:21:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24016 states to 24016 states and 25045 transitions. [2023-12-20 17:21:20,136 INFO L78 Accepts]: Start accepts. Automaton has 24016 states and 25045 transitions. Word has length 878 [2023-12-20 17:21:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:21:20,137 INFO L495 AbstractCegarLoop]: Abstraction has 24016 states and 25045 transitions. [2023-12-20 17:21:20,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states 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 17:21:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24016 states and 25045 transitions. [2023-12-20 17:21:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2023-12-20 17:21:20,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:21:20,149 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:21:20,155 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 17:21:20,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:21:20,355 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:21:20,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:21:20,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1596389507, now seen corresponding path program 1 times [2023-12-20 17:21:20,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:21:20,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227056202] [2023-12-20 17:21:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:21:20,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:21:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:21:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1206 proven. 90 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-12-20 17:21:21,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:21:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227056202] [2023-12-20 17:21:21,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227056202] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:21:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712592287] [2023-12-20 17:21:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:21:21,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:21:21,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:21:21,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:21:21,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 17:21:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:21:22,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 17:21:22,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:21:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1088 proven. 374 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-20 17:21:22,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 17:21:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 808 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2023-12-20 17:21:22,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712592287] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 17:21:22,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-20 17:21:22,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 6] total 10 [2023-12-20 17:21:22,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444098873] [2023-12-20 17:21:22,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:21:22,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:21:22,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:21:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:21:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-20 17:21:22,836 INFO L87 Difference]: Start difference. First operand 24016 states and 25045 transitions. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 17:21:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:21:24,106 INFO L93 Difference]: Finished difference Result 50131 states and 52237 transitions. [2023-12-20 17:21:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:21:24,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 0 states have call successors, (0), 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 999 [2023-12-20 17:21:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:21:24,108 INFO L225 Difference]: With dead ends: 50131 [2023-12-20 17:21:24,108 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 17:21:24,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2003 GetRequests, 1995 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-20 17:21:24,124 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 456 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:21:24,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 49 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:21:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 17:21:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 17:21:24,124 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 17:21:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 17:21:24,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 999 [2023-12-20 17:21:24,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:21:24,125 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 17:21:24,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 17:21:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 17:21:24,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 17:21:24,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 17:21:24,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-20 17:21:24,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:21:24,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,202 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,203 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,204 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,205 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,207 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,208 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,209 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,210 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,211 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,212 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,213 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,214 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse1 (<= (+ ~a0~0 147) 0)) (.cse7 (<= (+ 98 ~a0~0) 0)) (.cse2 (<= 5 ~a2~0)) (.cse8 (<= 0 (+ ~a29~0 143))) (.cse9 (= 3 ~a2~0)) (.cse6 (= 2 ~a2~0)) (.cse4 (<= 0 (+ ~a4~0 85))) (.cse3 (<= 0 (+ ~a29~0 600271))) (.cse5 (= ~a2~0 4)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse10 (= ~a2~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5) (and .cse6 .cse0 .cse7) (and .cse3 .cse6 (<= 0 (+ ~a0~0 60)) (<= (+ ~a29~0 127) 0)) (and .cse0 .cse7 .cse5) (and .cse3 .cse4 .cse7 .cse2) (and .cse3 .cse6 .cse0) (and .cse5 .cse8) (and .cse6 (<= 44 ~a29~0)) (and .cse2 .cse8) (and .cse3 .cse9) (and (<= (+ ~a0~0 99) 0) .cse0 .cse9) (and .cse3 .cse10) (and .cse3 .cse6 .cse4) (and .cse3 .cse0 .cse5) (and .cse0 .cse10))) [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,215 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,216 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,216 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,216 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,216 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,216 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,225 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,226 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,227 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,228 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,229 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-12-20 17:21:27,231 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] [2023-12-20 17:21:27,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 17:21:27,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 05:21:27 BoogieIcfgContainer [2023-12-20 17:21:27,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 17:21:27,242 INFO L158 Benchmark]: Toolchain (without parser) took 180909.97ms. Allocated memory was 342.9MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 286.2MB in the beginning and 644.1MB in the end (delta: -357.9MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 232.8MB. Free memory is still 182.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.49ms. Allocated memory is still 342.9MB. Free memory was 286.2MB in the beginning and 277.1MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.63ms. Allocated memory is still 342.9MB. Free memory was 277.1MB in the beginning and 237.8MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: Boogie Preprocessor took 307.27ms. Allocated memory is still 342.9MB. Free memory was 237.8MB in the beginning and 272.5MB in the end (delta: -34.6MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: RCFGBuilder took 1970.06ms. Allocated memory was 342.9MB in the beginning and 667.9MB in the end (delta: 325.1MB). Free memory was 271.9MB in the beginning and 546.6MB in the end (delta: -274.7MB). Peak memory consumption was 123.3MB. Max. memory is 8.0GB. [2023-12-20 17:21:27,242 INFO L158 Benchmark]: TraceAbstraction took 177752.10ms. Allocated memory was 667.9MB in the beginning and 1.5GB in the end (delta: 854.6MB). Free memory was 546.1MB in the beginning and 644.1MB in the end (delta: -98.0MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-20 17:21:27,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 232.8MB. Free memory is still 182.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 727.49ms. Allocated memory is still 342.9MB. Free memory was 286.2MB in the beginning and 277.1MB in the end (delta: 9.0MB). Peak memory consumption was 66.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 146.63ms. Allocated memory is still 342.9MB. Free memory was 277.1MB in the beginning and 237.8MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 307.27ms. Allocated memory is still 342.9MB. Free memory was 237.8MB in the beginning and 272.5MB in the end (delta: -34.6MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1970.06ms. Allocated memory was 342.9MB in the beginning and 667.9MB in the end (delta: 325.1MB). Free memory was 271.9MB in the beginning and 546.6MB in the end (delta: -274.7MB). Peak memory consumption was 123.3MB. Max. memory is 8.0GB. * TraceAbstraction took 177752.10ms. Allocated memory was 667.9MB in the beginning and 1.5GB in the end (delta: 854.6MB). Free memory was 546.1MB in the beginning and 644.1MB in the end (delta: -98.0MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 125]: 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: 177.7s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5444 SdHoareTripleChecker+Valid, 26.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5444 mSDsluCounter, 10106 SdHoareTripleChecker+Invalid, 22.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 734 mSDsCounter, 3778 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19627 IncrementalHoareTripleChecker+Invalid, 23405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3778 mSolverCounterUnsat, 9372 mSDtfsCounter, 19627 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5495 GetRequests, 5451 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24912occurred in iteration=19, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 26416 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 115 NumberOfFragments, 208 HoareAnnotationTreeSize, 1 FormulaSimplifications, 4926 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 1 FormulaSimplificationsInter, 7044 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 139.0s InterpolantComputationTime, 15534 NumberOfCodeBlocks, 15534 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 16504 ConstructedInterpolants, 0 QuantifiedInterpolants, 54762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5292 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 29 InterpolantComputations, 22 PerfectInterpolantSequences, 19527/20646 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: (((((((((((((((((((89 + a4) <= 0) && ((a0 + 147) <= 0)) && (5 <= a2)) || ((((0 <= (a29 + 600271)) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (a2 == 4))) || (((2 == a2) && ((89 + a4) <= 0)) && ((98 + a0) <= 0))) || ((((0 <= (a29 + 600271)) && (2 == a2)) && (0 <= (a0 + 60))) && ((a29 + 127) <= 0))) || ((((89 + a4) <= 0) && ((98 + a0) <= 0)) && (a2 == 4))) || ((((0 <= (a29 + 600271)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0)) && (5 <= a2))) || (((0 <= (a29 + 600271)) && (2 == a2)) && ((89 + a4) <= 0))) || ((a2 == 4) && (0 <= (a29 + 143)))) || ((2 == a2) && (44 <= a29))) || ((5 <= a2) && (0 <= (a29 + 143)))) || ((0 <= (a29 + 600271)) && (3 == a2))) || ((((a0 + 99) <= 0) && ((89 + a4) <= 0)) && (3 == a2))) || ((0 <= (a29 + 600271)) && (a2 == 1))) || (((0 <= (a29 + 600271)) && (2 == a2)) && (0 <= (a4 + 85)))) || (((0 <= (a29 + 600271)) && ((89 + a4) <= 0)) && (a2 == 4))) || (((89 + a4) <= 0) && (a2 == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-20 17:21:27,266 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...