/usr/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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:20:23,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:20:23,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:20:23,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:20:23,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 22:20:23,973 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:20:23,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:20:23,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:20:23,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:20:23,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:20:23,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:20:23,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:20:23,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:20:23,975 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:20:23,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:20:23,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:20:23,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:20:23,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:23,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:20:23,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:20:23,979 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:20:23,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:20:23,979 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:20:23,979 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:20:24,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:20:24,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:20:24,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:20:24,230 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:20:24,230 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:20:24,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2023-04-01 22:20:25,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:20:25,656 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:20:25,656 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2023-04-01 22:20:25,673 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/745f5427d/ae3af629b4ed4efc8d91cde4c7ecc260/FLAG9901dc988 [2023-04-01 22:20:25,689 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/745f5427d/ae3af629b4ed4efc8d91cde4c7ecc260 [2023-04-01 22:20:25,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:20:25,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:20:25,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:25,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:20:25,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:20:25,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:25" (1/1) ... [2023-04-01 22:20:25,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27628fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:25, skipping insertion in model container [2023-04-01 22:20:25,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:20:25" (1/1) ... [2023-04-01 22:20:25,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:20:25,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:20:25,957 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label55.c[6546,6559] [2023-04-01 22:20:26,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:26,195 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:20:26,229 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label55.c[6546,6559] [2023-04-01 22:20:26,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:20:26,359 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:20:26,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26 WrapperNode [2023-04-01 22:20:26,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:20:26,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:20:26,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:20:26,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:20:26,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:20:26,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:20:26,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:20:26,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:20:26,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (1/1) ... [2023-04-01 22:20:26,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:20:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:26,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 22:20:26,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 22:20:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:20:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:20:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:20:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:20:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:20:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:20:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:20:26,681 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:20:26,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:20:27,939 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:20:27,975 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:20:27,976 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:20:27,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:27 BoogieIcfgContainer [2023-04-01 22:20:27,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:20:27,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:20:27,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:20:27,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:20:27,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:20:25" (1/3) ... [2023-04-01 22:20:27,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cad6530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:27, skipping insertion in model container [2023-04-01 22:20:27,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:20:26" (2/3) ... [2023-04-01 22:20:27,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cad6530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:20:27, skipping insertion in model container [2023-04-01 22:20:27,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:20:27" (3/3) ... [2023-04-01 22:20:27,989 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2023-04-01 22:20:28,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:20:28,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:20:28,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:20:28,057 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=LoopsAndPotentialCycles, 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;@1b123a26, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:20:28,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:20:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:20:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 22:20:28,069 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:28,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:28,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:28,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:28,074 INFO L85 PathProgramCache]: Analyzing trace with hash 180538538, now seen corresponding path program 1 times [2023-04-01 22:20:28,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:28,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147271686] [2023-04-01 22:20:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:28,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:28,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147271686] [2023-04-01 22:20:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147271686] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:28,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:20:28,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624093981] [2023-04-01 22:20:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:28,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:20:28,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:20:28,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:20:28,638 INFO L87 Difference]: Start difference. First operand has 292 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 285 states have internal predecessors, (485), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:20:30,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:30,459 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2023-04-01 22:20:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:20:30,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-04-01 22:20:30,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:30,474 INFO L225 Difference]: With dead ends: 791 [2023-04-01 22:20:30,474 INFO L226 Difference]: Without dead ends: 434 [2023-04-01 22:20:30,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:20:30,484 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 644 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:30,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 59 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 22:20:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-04-01 22:20:30,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2023-04-01 22:20:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 420 states have (on average 1.4452380952380952) internal successors, (607), 422 states have internal predecessors, (607), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:20:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2023-04-01 22:20:30,545 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 51 [2023-04-01 22:20:30,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:30,545 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2023-04-01 22:20:30,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:20:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2023-04-01 22:20:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-01 22:20:30,549 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:30,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:30,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:20:30,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:30,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash -397378930, now seen corresponding path program 1 times [2023-04-01 22:20:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:30,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888404165] [2023-04-01 22:20:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:31,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888404165] [2023-04-01 22:20:31,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888404165] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:31,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:31,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:20:31,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574177620] [2023-04-01 22:20:31,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:31,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:20:31,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:31,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:20:31,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:31,097 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:33,058 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2023-04-01 22:20:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:20:33,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 123 [2023-04-01 22:20:33,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:33,066 INFO L225 Difference]: With dead ends: 1664 [2023-04-01 22:20:33,066 INFO L226 Difference]: Without dead ends: 1240 [2023-04-01 22:20:33,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:20:33,068 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1651 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:33,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 146 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:20:33,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2023-04-01 22:20:33,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2023-04-01 22:20:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1181 states have (on average 1.3776460626587637) internal successors, (1627), 1192 states have internal predecessors, (1627), 8 states have call successors, (8), 8 states have call predecessors, (8), 18 states have return successors, (55), 7 states have call predecessors, (55), 7 states have call successors, (55) [2023-04-01 22:20:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1690 transitions. [2023-04-01 22:20:33,156 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1690 transitions. Word has length 123 [2023-04-01 22:20:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:33,157 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1690 transitions. [2023-04-01 22:20:33,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.714285714285715) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1690 transitions. [2023-04-01 22:20:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 22:20:33,159 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:33,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:33,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:20:33,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:33,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:33,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1975818707, now seen corresponding path program 1 times [2023-04-01 22:20:33,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:33,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966248189] [2023-04-01 22:20:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:33,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966248189] [2023-04-01 22:20:33,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966248189] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:33,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022277401] [2023-04-01 22:20:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:33,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:33,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:33,385 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) [2023-04-01 22:20:33,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:20:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:33,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:33,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:33,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:33,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022277401] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:33,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:33,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:20:33,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134052059] [2023-04-01 22:20:33,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:33,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:33,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:33,627 INFO L87 Difference]: Start difference. First operand 1208 states and 1690 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:20:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:34,322 INFO L93 Difference]: Finished difference Result 2808 states and 3930 transitions. [2023-04-01 22:20:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:34,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 124 [2023-04-01 22:20:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:34,330 INFO L225 Difference]: With dead ends: 2808 [2023-04-01 22:20:34,330 INFO L226 Difference]: Without dead ends: 1606 [2023-04-01 22:20:34,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:34,334 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 157 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:34,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 374 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:20:34,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2023-04-01 22:20:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1594. [2023-04-01 22:20:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1558 states have (on average 1.3363286264441592) internal successors, (2082), 1574 states have internal predecessors, (2082), 10 states have call successors, (10), 10 states have call predecessors, (10), 25 states have return successors, (89), 9 states have call predecessors, (89), 9 states have call successors, (89) [2023-04-01 22:20:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2181 transitions. [2023-04-01 22:20:34,380 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2181 transitions. Word has length 124 [2023-04-01 22:20:34,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:34,381 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2181 transitions. [2023-04-01 22:20:34,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:20:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2181 transitions. [2023-04-01 22:20:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 22:20:34,392 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:34,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:34,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:34,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:34,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:34,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1795503310, now seen corresponding path program 1 times [2023-04-01 22:20:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:34,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352923499] [2023-04-01 22:20:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:34,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:34,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352923499] [2023-04-01 22:20:34,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352923499] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378699633] [2023-04-01 22:20:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:34,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:34,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:34,812 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) [2023-04-01 22:20:34,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:20:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:34,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:34,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:34,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:34,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378699633] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:34,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:34,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:20:34,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807561538] [2023-04-01 22:20:34,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:34,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:34,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:34,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:34,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:34,998 INFO L87 Difference]: Start difference. First operand 1594 states and 2181 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:20:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:35,720 INFO L93 Difference]: Finished difference Result 3193 states and 4396 transitions. [2023-04-01 22:20:35,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:35,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 125 [2023-04-01 22:20:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:35,728 INFO L225 Difference]: With dead ends: 3193 [2023-04-01 22:20:35,728 INFO L226 Difference]: Without dead ends: 1605 [2023-04-01 22:20:35,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:35,732 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 172 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:35,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 352 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:20:35,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2023-04-01 22:20:35,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1594. [2023-04-01 22:20:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1558 states have (on average 1.3119383825417201) internal successors, (2044), 1574 states have internal predecessors, (2044), 10 states have call successors, (10), 10 states have call predecessors, (10), 25 states have return successors, (87), 9 states have call predecessors, (87), 9 states have call successors, (87) [2023-04-01 22:20:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2141 transitions. [2023-04-01 22:20:35,777 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2141 transitions. Word has length 125 [2023-04-01 22:20:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:35,777 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2141 transitions. [2023-04-01 22:20:35,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:20:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2141 transitions. [2023-04-01 22:20:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-01 22:20:35,779 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:35,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:35,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:35,986 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,SelfDestructingSolverStorable3 [2023-04-01 22:20:35,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:35,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:35,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1651619430, now seen corresponding path program 1 times [2023-04-01 22:20:35,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:35,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526166696] [2023-04-01 22:20:35,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:35,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:36,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526166696] [2023-04-01 22:20:36,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526166696] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:36,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405524468] [2023-04-01 22:20:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:36,461 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) [2023-04-01 22:20:36,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:20:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:36,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:20:36,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:36,971 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:36,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405524468] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:36,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:36,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-04-01 22:20:36,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844155341] [2023-04-01 22:20:36,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:36,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:20:36,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:36,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:20:36,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:20:36,975 INFO L87 Difference]: Start difference. First operand 1594 states and 2141 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:38,111 INFO L93 Difference]: Finished difference Result 3832 states and 5174 transitions. [2023-04-01 22:20:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 22:20:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 145 [2023-04-01 22:20:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:38,120 INFO L225 Difference]: With dead ends: 3832 [2023-04-01 22:20:38,120 INFO L226 Difference]: Without dead ends: 2244 [2023-04-01 22:20:38,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:20:38,124 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 456 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:38,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 126 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:20:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2023-04-01 22:20:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2210. [2023-04-01 22:20:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2142 states have (on average 1.2380952380952381) internal successors, (2652), 2184 states have internal predecessors, (2652), 13 states have call successors, (13), 13 states have call predecessors, (13), 54 states have return successors, (189), 12 states have call predecessors, (189), 12 states have call successors, (189) [2023-04-01 22:20:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2854 transitions. [2023-04-01 22:20:38,186 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2854 transitions. Word has length 145 [2023-04-01 22:20:38,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:38,186 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 2854 transitions. [2023-04-01 22:20:38,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:20:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2854 transitions. [2023-04-01 22:20:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-04-01 22:20:38,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:38,191 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2023-04-01 22:20:38,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:38,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:38,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:38,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash 192406621, now seen corresponding path program 1 times [2023-04-01 22:20:38,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:38,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803051777] [2023-04-01 22:20:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:20:38,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:38,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803051777] [2023-04-01 22:20:38,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803051777] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:38,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090878899] [2023-04-01 22:20:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:38,789 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) [2023-04-01 22:20:38,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:20:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:38,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:38,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:39,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:39,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090878899] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:20:39,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:20:39,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:20:39,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174058059] [2023-04-01 22:20:39,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:20:39,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:20:39,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:20:39,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:20:39,295 INFO L87 Difference]: Start difference. First operand 2210 states and 2854 transitions. Second operand has 11 states, 11 states have (on average 34.90909090909091) internal successors, (384), 9 states have internal predecessors, (384), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:20:41,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:41,318 INFO L93 Difference]: Finished difference Result 4913 states and 6611 transitions. [2023-04-01 22:20:41,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-01 22:20:41,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.90909090909091) internal successors, (384), 9 states have internal predecessors, (384), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 253 [2023-04-01 22:20:41,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:41,330 INFO L225 Difference]: With dead ends: 4913 [2023-04-01 22:20:41,330 INFO L226 Difference]: Without dead ends: 2897 [2023-04-01 22:20:41,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 509 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2023-04-01 22:20:41,334 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 884 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 2506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:41,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 200 Invalid, 2506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 22:20:41,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2023-04-01 22:20:41,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2840. [2023-04-01 22:20:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 2739 states have (on average 1.208105147864184) internal successors, (3309), 2808 states have internal predecessors, (3309), 16 states have call successors, (16), 16 states have call predecessors, (16), 84 states have return successors, (278), 15 states have call predecessors, (278), 15 states have call successors, (278) [2023-04-01 22:20:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3603 transitions. [2023-04-01 22:20:41,407 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3603 transitions. Word has length 253 [2023-04-01 22:20:41,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:41,408 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3603 transitions. [2023-04-01 22:20:41,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.90909090909091) internal successors, (384), 9 states have internal predecessors, (384), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-04-01 22:20:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3603 transitions. [2023-04-01 22:20:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-04-01 22:20:41,413 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:41,413 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:20:41,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:41,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:41,619 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:41,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1822465764, now seen corresponding path program 1 times [2023-04-01 22:20:41,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:41,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801783298] [2023-04-01 22:20:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:20:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 137 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:20:42,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:42,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801783298] [2023-04-01 22:20:42,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801783298] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:42,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287410227] [2023-04-01 22:20:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:42,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:42,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:42,329 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) [2023-04-01 22:20:42,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:20:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:42,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 18 conjunts are in the unsatisfiable core [2023-04-01 22:20:42,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:20:42,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-04-01 22:20:44,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287410227] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:44,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 22:20:44,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 6] total 16 [2023-04-01 22:20:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727791551] [2023-04-01 22:20:44,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:44,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 22:20:44,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:44,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 22:20:44,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:20:44,598 INFO L87 Difference]: Start difference. First operand 2840 states and 3603 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 5 states have internal predecessors, (164), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 22:20:45,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:45,973 INFO L93 Difference]: Finished difference Result 8441 states and 11424 transitions. [2023-04-01 22:20:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 22:20:45,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 5 states have internal predecessors, (164), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 261 [2023-04-01 22:20:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:45,998 INFO L225 Difference]: With dead ends: 8441 [2023-04-01 22:20:45,998 INFO L226 Difference]: Without dead ends: 5795 [2023-04-01 22:20:46,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 519 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:20:46,006 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 514 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:46,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 127 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:20:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5795 states. [2023-04-01 22:20:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5795 to 5781. [2023-04-01 22:20:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 5598 states have (on average 1.239371204001429) internal successors, (6938), 5719 states have internal predecessors, (6938), 31 states have call successors, (31), 31 states have call predecessors, (31), 151 states have return successors, (831), 30 states have call predecessors, (831), 30 states have call successors, (831) [2023-04-01 22:20:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 7800 transitions. [2023-04-01 22:20:46,169 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 7800 transitions. Word has length 261 [2023-04-01 22:20:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:46,169 INFO L495 AbstractCegarLoop]: Abstraction has 5781 states and 7800 transitions. [2023-04-01 22:20:46,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 5 states have internal predecessors, (164), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 22:20:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 7800 transitions. [2023-04-01 22:20:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-04-01 22:20:46,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:46,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:20:46,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:46,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:46,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:46,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash -325083167, now seen corresponding path program 1 times [2023-04-01 22:20:46,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:46,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998438591] [2023-04-01 22:20:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:20:46,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:46,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998438591] [2023-04-01 22:20:46,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998438591] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:46,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784390878] [2023-04-01 22:20:46,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:46,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:46,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:46,744 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) [2023-04-01 22:20:46,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:20:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:46,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:20:46,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-04-01 22:20:47,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:20:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 92 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:20:47,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784390878] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:20:47,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:20:47,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 18 [2023-04-01 22:20:47,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389630235] [2023-04-01 22:20:47,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:20:47,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:20:47,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:47,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:20:47,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:20:47,723 INFO L87 Difference]: Start difference. First operand 5781 states and 7800 transitions. Second operand has 18 states, 18 states have (on average 34.27777777777778) internal successors, (617), 16 states have internal predecessors, (617), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:20:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:55,983 INFO L93 Difference]: Finished difference Result 24416 states and 35176 transitions. [2023-04-01 22:20:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-04-01 22:20:55,984 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 34.27777777777778) internal successors, (617), 16 states have internal predecessors, (617), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 271 [2023-04-01 22:20:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:56,050 INFO L225 Difference]: With dead ends: 24416 [2023-04-01 22:20:56,050 INFO L226 Difference]: Without dead ends: 16533 [2023-04-01 22:20:56,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=837, Invalid=3585, Unknown=0, NotChecked=0, Total=4422 [2023-04-01 22:20:56,074 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 5548 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 8968 mSolverCounterSat, 1976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5548 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 10944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1976 IncrementalHoareTripleChecker+Valid, 8968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:56,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5548 Valid, 421 Invalid, 10944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1976 Valid, 8968 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-01 22:20:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16533 states. [2023-04-01 22:20:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16533 to 14409. [2023-04-01 22:20:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14409 states, 13988 states have (on average 1.1790820703460108) internal successors, (16493), 14259 states have internal predecessors, (16493), 75 states have call successors, (75), 75 states have call predecessors, (75), 345 states have return successors, (1896), 74 states have call predecessors, (1896), 74 states have call successors, (1896) [2023-04-01 22:20:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14409 states to 14409 states and 18464 transitions. [2023-04-01 22:20:56,499 INFO L78 Accepts]: Start accepts. Automaton has 14409 states and 18464 transitions. Word has length 271 [2023-04-01 22:20:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:56,500 INFO L495 AbstractCegarLoop]: Abstraction has 14409 states and 18464 transitions. [2023-04-01 22:20:56,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 34.27777777777778) internal successors, (617), 16 states have internal predecessors, (617), 7 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:20:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 14409 states and 18464 transitions. [2023-04-01 22:20:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-04-01 22:20:56,511 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:56,511 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:56,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:56,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:56,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:56,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:56,719 INFO L85 PathProgramCache]: Analyzing trace with hash -355656875, now seen corresponding path program 1 times [2023-04-01 22:20:56,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:56,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914668617] [2023-04-01 22:20:56,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:56,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-01 22:20:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:20:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914668617] [2023-04-01 22:20:57,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914668617] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:20:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287676422] [2023-04-01 22:20:57,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:57,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:57,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:20:57,152 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:20:57,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:20:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:57,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:20:57,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:20:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-04-01 22:20:57,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:20:57,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287676422] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:57,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:20:57,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-01 22:20:57,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100520724] [2023-04-01 22:20:57,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:57,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:20:57,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:57,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:20:57,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:57,408 INFO L87 Difference]: Start difference. First operand 14409 states and 18464 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:20:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:20:58,255 INFO L93 Difference]: Finished difference Result 36973 states and 47822 transitions. [2023-04-01 22:20:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:20:58,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 327 [2023-04-01 22:20:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:20:58,341 INFO L225 Difference]: With dead ends: 36973 [2023-04-01 22:20:58,341 INFO L226 Difference]: Without dead ends: 22758 [2023-04-01 22:20:58,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:20:58,376 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 191 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:20:58,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 80 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:20:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22758 states. [2023-04-01 22:20:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22758 to 21979. [2023-04-01 22:20:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21979 states, 21450 states have (on average 1.1642424242424243) internal successors, (24973), 21749 states have internal predecessors, (24973), 115 states have call successors, (115), 115 states have call predecessors, (115), 413 states have return successors, (2880), 114 states have call predecessors, (2880), 114 states have call successors, (2880) [2023-04-01 22:20:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21979 states to 21979 states and 27968 transitions. [2023-04-01 22:20:58,911 INFO L78 Accepts]: Start accepts. Automaton has 21979 states and 27968 transitions. Word has length 327 [2023-04-01 22:20:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:20:58,912 INFO L495 AbstractCegarLoop]: Abstraction has 21979 states and 27968 transitions. [2023-04-01 22:20:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:20:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 21979 states and 27968 transitions. [2023-04-01 22:20:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-04-01 22:20:58,926 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:20:58,926 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:20:58,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 22:20:59,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:20:59,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:20:59,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:20:59,133 INFO L85 PathProgramCache]: Analyzing trace with hash -594451399, now seen corresponding path program 1 times [2023-04-01 22:20:59,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:20:59,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568485028] [2023-04-01 22:20:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:20:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:20:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:20:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:20:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:20:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-01 22:20:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:20:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-04-01 22:20:59,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:20:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568485028] [2023-04-01 22:20:59,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568485028] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:20:59,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:20:59,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:20:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907338124] [2023-04-01 22:20:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:20:59,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 22:20:59,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:20:59,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 22:20:59,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:20:59,586 INFO L87 Difference]: Start difference. First operand 21979 states and 27968 transitions. Second operand has 6 states, 6 states have (on average 31.0) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:21:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:01,355 INFO L93 Difference]: Finished difference Result 44438 states and 56791 transitions. [2023-04-01 22:21:01,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:21:01,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 353 [2023-04-01 22:21:01,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:01,417 INFO L225 Difference]: With dead ends: 44438 [2023-04-01 22:21:01,417 INFO L226 Difference]: Without dead ends: 22069 [2023-04-01 22:21:01,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:21:01,458 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1973 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:01,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 109 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:21:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22069 states. [2023-04-01 22:21:01,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22069 to 21100. [2023-04-01 22:21:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21100 states, 20623 states have (on average 1.1135140377248702) internal successors, (22964), 20878 states have internal predecessors, (22964), 111 states have call successors, (111), 111 states have call predecessors, (111), 365 states have return successors, (1911), 110 states have call predecessors, (1911), 110 states have call successors, (1911) [2023-04-01 22:21:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21100 states to 21100 states and 24986 transitions. [2023-04-01 22:21:01,953 INFO L78 Accepts]: Start accepts. Automaton has 21100 states and 24986 transitions. Word has length 353 [2023-04-01 22:21:01,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:01,953 INFO L495 AbstractCegarLoop]: Abstraction has 21100 states and 24986 transitions. [2023-04-01 22:21:01,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-01 22:21:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 21100 states and 24986 transitions. [2023-04-01 22:21:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-04-01 22:21:01,972 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:01,972 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:01,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-01 22:21:01,973 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:01,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash 462155342, now seen corresponding path program 1 times [2023-04-01 22:21:01,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:01,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700342045] [2023-04-01 22:21:01,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-04-01 22:21:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-04-01 22:21:02,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:02,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700342045] [2023-04-01 22:21:02,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700342045] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:02,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209563714] [2023-04-01 22:21:02,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:02,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:02,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:02,387 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:02,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:21:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:02,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-01 22:21:02,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-04-01 22:21:02,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-04-01 22:21:02,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209563714] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:02,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:02,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-04-01 22:21:02,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860015310] [2023-04-01 22:21:02,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:02,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 22:21:02,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:02,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 22:21:02,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:21:02,967 INFO L87 Difference]: Start difference. First operand 21100 states and 24986 transitions. Second operand has 10 states, 10 states have (on average 40.3) internal successors, (403), 8 states have internal predecessors, (403), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:21:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:05,694 INFO L93 Difference]: Finished difference Result 54292 states and 65168 transitions. [2023-04-01 22:21:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-01 22:21:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 40.3) internal successors, (403), 8 states have internal predecessors, (403), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 379 [2023-04-01 22:21:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:05,792 INFO L225 Difference]: With dead ends: 54292 [2023-04-01 22:21:05,792 INFO L226 Difference]: Without dead ends: 33575 [2023-04-01 22:21:05,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 777 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2023-04-01 22:21:05,821 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 1629 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 3147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:05,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 175 Invalid, 3147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:21:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33575 states. [2023-04-01 22:21:06,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33575 to 27965. [2023-04-01 22:21:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27965 states, 27366 states have (on average 1.090769568077176) internal successors, (29850), 27671 states have internal predecessors, (29850), 147 states have call successors, (147), 147 states have call predecessors, (147), 451 states have return successors, (2250), 146 states have call predecessors, (2250), 146 states have call successors, (2250) [2023-04-01 22:21:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27965 states to 27965 states and 32247 transitions. [2023-04-01 22:21:06,490 INFO L78 Accepts]: Start accepts. Automaton has 27965 states and 32247 transitions. Word has length 379 [2023-04-01 22:21:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:06,491 INFO L495 AbstractCegarLoop]: Abstraction has 27965 states and 32247 transitions. [2023-04-01 22:21:06,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 40.3) internal successors, (403), 8 states have internal predecessors, (403), 5 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:21:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 27965 states and 32247 transitions. [2023-04-01 22:21:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2023-04-01 22:21:06,552 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:06,552 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:06,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:06,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 22:21:06,759 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:06,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:06,760 INFO L85 PathProgramCache]: Analyzing trace with hash 146527921, now seen corresponding path program 1 times [2023-04-01 22:21:06,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:06,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796813553] [2023-04-01 22:21:06,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:06,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-04-01 22:21:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2023-04-01 22:21:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2023-04-01 22:21:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2023-04-01 22:21:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 283 proven. 16 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2023-04-01 22:21:07,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796813553] [2023-04-01 22:21:07,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796813553] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901756534] [2023-04-01 22:21:07,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:07,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:07,534 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:07,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:21:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:07,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 22:21:07,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 951 proven. 0 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2023-04-01 22:21:08,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:21:08,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901756534] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:21:08,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:21:08,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-04-01 22:21:08,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991022957] [2023-04-01 22:21:08,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:21:08,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:21:08,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:08,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:21:08,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:21:08,195 INFO L87 Difference]: Start difference. First operand 27965 states and 32247 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 2 states have internal predecessors, (342), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-04-01 22:21:08,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:08,793 INFO L93 Difference]: Finished difference Result 52635 states and 60805 transitions. [2023-04-01 22:21:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:21:08,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 2 states have internal predecessors, (342), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 810 [2023-04-01 22:21:08,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:08,950 INFO L225 Difference]: With dead ends: 52635 [2023-04-01 22:21:08,950 INFO L226 Difference]: Without dead ends: 27566 [2023-04-01 22:21:08,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 828 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:21:08,972 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 167 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:08,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 44 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:21:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27566 states. [2023-04-01 22:21:09,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27566 to 27562. [2023-04-01 22:21:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27562 states, 26974 states have (on average 1.0904574775709943) internal successors, (29414), 27272 states have internal predecessors, (29414), 145 states have call successors, (145), 145 states have call predecessors, (145), 442 states have return successors, (2182), 144 states have call predecessors, (2182), 144 states have call successors, (2182) [2023-04-01 22:21:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27562 states to 27562 states and 31741 transitions. [2023-04-01 22:21:09,420 INFO L78 Accepts]: Start accepts. Automaton has 27562 states and 31741 transitions. Word has length 810 [2023-04-01 22:21:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:09,421 INFO L495 AbstractCegarLoop]: Abstraction has 27562 states and 31741 transitions. [2023-04-01 22:21:09,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 2 states have internal predecessors, (342), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-04-01 22:21:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 27562 states and 31741 transitions. [2023-04-01 22:21:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2023-04-01 22:21:09,465 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:09,465 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:09,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:09,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:09,672 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:09,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1984373155, now seen corresponding path program 1 times [2023-04-01 22:21:09,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:09,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287886396] [2023-04-01 22:21:09,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:09,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-04-01 22:21:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2023-04-01 22:21:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2023-04-01 22:21:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-04-01 22:21:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 728 proven. 53 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2023-04-01 22:21:11,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:11,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287886396] [2023-04-01 22:21:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287886396] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556731289] [2023-04-01 22:21:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:11,947 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:11,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-01 22:21:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:12,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:12,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 1047 proven. 2 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2023-04-01 22:21:12,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 643 proven. 89 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2023-04-01 22:21:12,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556731289] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:12,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:12,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2023-04-01 22:21:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750976859] [2023-04-01 22:21:12,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:12,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 22:21:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 22:21:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:21:12,874 INFO L87 Difference]: Start difference. First operand 27562 states and 31741 transitions. Second operand has 15 states, 15 states have (on average 37.8) internal successors, (567), 13 states have internal predecessors, (567), 7 states have call successors, (14), 7 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-04-01 22:21:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:17,389 INFO L93 Difference]: Finished difference Result 57944 states and 66448 transitions. [2023-04-01 22:21:17,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-04-01 22:21:17,393 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 37.8) internal successors, (567), 13 states have internal predecessors, (567), 7 states have call successors, (14), 7 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 826 [2023-04-01 22:21:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:17,462 INFO L225 Difference]: With dead ends: 57944 [2023-04-01 22:21:17,462 INFO L226 Difference]: Without dead ends: 25565 [2023-04-01 22:21:17,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1766 GetRequests, 1704 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=738, Invalid=3044, Unknown=0, NotChecked=0, Total=3782 [2023-04-01 22:21:17,491 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 3520 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 3985 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3520 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 4463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 3985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:17,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3520 Valid, 236 Invalid, 4463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 3985 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-01 22:21:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25565 states. [2023-04-01 22:21:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25565 to 20802. [2023-04-01 22:21:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20802 states, 20276 states have (on average 1.0696883014401262) internal successors, (21689), 20584 states have internal predecessors, (21689), 109 states have call successors, (109), 109 states have call predecessors, (109), 416 states have return successors, (1221), 108 states have call predecessors, (1221), 108 states have call successors, (1221) [2023-04-01 22:21:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20802 states to 20802 states and 23019 transitions. [2023-04-01 22:21:17,875 INFO L78 Accepts]: Start accepts. Automaton has 20802 states and 23019 transitions. Word has length 826 [2023-04-01 22:21:17,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:17,877 INFO L495 AbstractCegarLoop]: Abstraction has 20802 states and 23019 transitions. [2023-04-01 22:21:17,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 37.8) internal successors, (567), 13 states have internal predecessors, (567), 7 states have call successors, (14), 7 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-04-01 22:21:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 20802 states and 23019 transitions. [2023-04-01 22:21:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2023-04-01 22:21:17,906 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:17,907 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:17,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:18,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:21:18,114 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:18,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:18,115 INFO L85 PathProgramCache]: Analyzing trace with hash -195228192, now seen corresponding path program 1 times [2023-04-01 22:21:18,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:18,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337822090] [2023-04-01 22:21:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-01 22:21:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-04-01 22:21:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2023-04-01 22:21:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2023-04-01 22:21:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2023-04-01 22:21:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2052 backedges. 614 proven. 218 refuted. 0 times theorem prover too weak. 1220 trivial. 0 not checked. [2023-04-01 22:21:19,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:19,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337822090] [2023-04-01 22:21:19,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337822090] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164781417] [2023-04-01 22:21:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:19,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:19,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:19,673 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:19,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-01 22:21:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:19,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 20 conjunts are in the unsatisfiable core [2023-04-01 22:21:19,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2052 backedges. 1561 proven. 181 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-04-01 22:21:20,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2052 backedges. 622 proven. 202 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2023-04-01 22:21:23,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164781417] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:23,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:23,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 5] total 15 [2023-04-01 22:21:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055491738] [2023-04-01 22:21:23,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:23,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-01 22:21:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-01 22:21:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-04-01 22:21:23,145 INFO L87 Difference]: Start difference. First operand 20802 states and 23019 transitions. Second operand has 15 states, 15 states have (on average 50.06666666666667) internal successors, (751), 13 states have internal predecessors, (751), 6 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2023-04-01 22:21:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:26,146 INFO L93 Difference]: Finished difference Result 35436 states and 39349 transitions. [2023-04-01 22:21:26,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 22:21:26,147 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 50.06666666666667) internal successors, (751), 13 states have internal predecessors, (751), 6 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 896 [2023-04-01 22:21:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:26,192 INFO L225 Difference]: With dead ends: 35436 [2023-04-01 22:21:26,192 INFO L226 Difference]: Without dead ends: 18118 [2023-04-01 22:21:26,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1860 GetRequests, 1820 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2023-04-01 22:21:26,215 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 1957 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 3893 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 3893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:26,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 289 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 3893 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:21:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18118 states. [2023-04-01 22:21:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18118 to 17332. [2023-04-01 22:21:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17332 states, 16882 states have (on average 1.067705248193342) internal successors, (18025), 17150 states have internal predecessors, (18025), 91 states have call successors, (91), 91 states have call predecessors, (91), 358 states have return successors, (984), 90 states have call predecessors, (984), 90 states have call successors, (984) [2023-04-01 22:21:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17332 states to 17332 states and 19100 transitions. [2023-04-01 22:21:26,499 INFO L78 Accepts]: Start accepts. Automaton has 17332 states and 19100 transitions. Word has length 896 [2023-04-01 22:21:26,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:26,500 INFO L495 AbstractCegarLoop]: Abstraction has 17332 states and 19100 transitions. [2023-04-01 22:21:26,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 50.06666666666667) internal successors, (751), 13 states have internal predecessors, (751), 6 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2023-04-01 22:21:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 17332 states and 19100 transitions. [2023-04-01 22:21:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2023-04-01 22:21:26,528 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:26,529 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:26,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-04-01 22:21:26,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-01 22:21:26,737 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:26,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:26,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1853169091, now seen corresponding path program 1 times [2023-04-01 22:21:26,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516574435] [2023-04-01 22:21:26,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:26,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:21:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-01 22:21:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-04-01 22:21:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2023-04-01 22:21:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2023-04-01 22:21:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2023-04-01 22:21:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-04-01 22:21:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4121 backedges. 1247 proven. 93 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2023-04-01 22:21:27,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:27,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516574435] [2023-04-01 22:21:27,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516574435] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227558599] [2023-04-01 22:21:27,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:27,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:27,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:27,897 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:27,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-04-01 22:21:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:28,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:21:28,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4121 backedges. 1925 proven. 2 refuted. 0 times theorem prover too weak. 2194 trivial. 0 not checked. [2023-04-01 22:21:28,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4121 backedges. 1254 proven. 94 refuted. 0 times theorem prover too weak. 2773 trivial. 0 not checked. [2023-04-01 22:21:28,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227558599] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:28,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:28,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-04-01 22:21:28,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478979828] [2023-04-01 22:21:28,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:28,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 22:21:28,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:28,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 22:21:28,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-01 22:21:28,763 INFO L87 Difference]: Start difference. First operand 17332 states and 19100 transitions. Second operand has 9 states, 9 states have (on average 80.44444444444444) internal successors, (724), 7 states have internal predecessors, (724), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:30,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:30,277 INFO L93 Difference]: Finished difference Result 34816 states and 38414 transitions. [2023-04-01 22:21:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 22:21:30,278 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.44444444444444) internal successors, (724), 7 states have internal predecessors, (724), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 1124 [2023-04-01 22:21:30,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:30,347 INFO L225 Difference]: With dead ends: 34816 [2023-04-01 22:21:30,347 INFO L226 Difference]: Without dead ends: 17680 [2023-04-01 22:21:30,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2286 GetRequests, 2268 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:21:30,370 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 769 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:30,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 100 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:21:30,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17680 states. [2023-04-01 22:21:30,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17680 to 17288. [2023-04-01 22:21:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17288 states, 16857 states have (on average 1.061517470487038) internal successors, (17894), 17106 states have internal predecessors, (17894), 91 states have call successors, (91), 91 states have call predecessors, (91), 339 states have return successors, (892), 90 states have call predecessors, (892), 90 states have call successors, (892) [2023-04-01 22:21:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17288 states to 17288 states and 18877 transitions. [2023-04-01 22:21:30,680 INFO L78 Accepts]: Start accepts. Automaton has 17288 states and 18877 transitions. Word has length 1124 [2023-04-01 22:21:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:30,681 INFO L495 AbstractCegarLoop]: Abstraction has 17288 states and 18877 transitions. [2023-04-01 22:21:30,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.44444444444444) internal successors, (724), 7 states have internal predecessors, (724), 3 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:21:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 17288 states and 18877 transitions. [2023-04-01 22:21:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2023-04-01 22:21:30,714 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:21:30,714 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:30,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:30,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-01 22:21:30,923 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:21:30,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:21:30,923 INFO L85 PathProgramCache]: Analyzing trace with hash 933319752, now seen corresponding path program 1 times [2023-04-01 22:21:30,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:21:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898889063] [2023-04-01 22:21:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:21:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:21:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:21:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-01 22:21:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:21:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-01 22:21:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-04-01 22:21:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2023-04-01 22:21:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2023-04-01 22:21:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2023-04-01 22:21:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-04-01 22:21:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2023-04-01 22:21:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1252 [2023-04-01 22:21:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6208 backedges. 603 proven. 749 refuted. 0 times theorem prover too weak. 4856 trivial. 0 not checked. [2023-04-01 22:21:32,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:21:32,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898889063] [2023-04-01 22:21:32,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898889063] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:21:32,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566371525] [2023-04-01 22:21:32,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:21:32,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:21:32,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:21:32,213 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:21:32,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-04-01 22:21:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:21:32,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:21:32,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:21:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6208 backedges. 3575 proven. 2 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2023-04-01 22:21:32,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:21:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6208 backedges. 1234 proven. 278 refuted. 0 times theorem prover too weak. 4696 trivial. 0 not checked. [2023-04-01 22:21:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566371525] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:21:33,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:21:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 22:21:33,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404277434] [2023-04-01 22:21:33,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:21:33,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 22:21:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:21:33,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 22:21:33,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:21:33,458 INFO L87 Difference]: Start difference. First operand 17288 states and 18877 transitions. Second operand has 11 states, 11 states have (on average 50.63636363636363) internal successors, (557), 9 states have internal predecessors, (557), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:21:36,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:21:36,259 INFO L93 Difference]: Finished difference Result 30674 states and 33534 transitions. [2023-04-01 22:21:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-01 22:21:36,259 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 50.63636363636363) internal successors, (557), 9 states have internal predecessors, (557), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 1389 [2023-04-01 22:21:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:21:36,260 INFO L225 Difference]: With dead ends: 30674 [2023-04-01 22:21:36,260 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:21:36,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2852 GetRequests, 2818 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2023-04-01 22:21:36,278 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 2519 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 3537 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 3811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 3537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:21:36,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 186 Invalid, 3811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 3537 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 22:21:36,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:21:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:21:36,279 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) [2023-04-01 22:21:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:21:36,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1389 [2023-04-01 22:21:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:21:36,280 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:21:36,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 50.63636363636363) internal successors, (557), 9 states have internal predecessors, (557), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:21:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:21:36,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:21:36,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:21:36,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-04-01 22:21:36,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-04-01 22:21:36,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:21:53,102 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:21:53,102 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:21:53,102 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:21:53,103 INFO L895 garLoopResultBuilder]: At program point L1052(line 1052) the Hoare annotation is: (let ((.cse16 (= ~a25~0 12))) (let ((.cse4 (<= 307 ~a23~0)) (.cse5 (not .cse16)) (.cse15 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 10)) (.cse9 (not (= ~a25~0 9))) (.cse0 (<= ~a29~0 245)) (.cse1 (<= 141 ~a29~0)) (.cse17 (= |old(~a4~0)| 1)) (.cse18 (< 306 |old(~a23~0)|)) (.cse3 (<= 13 ~a25~0)) (.cse11 (<= 11 ~a25~0)) (.cse7 (= ~a4~0 0)) (.cse12 (<= ~a23~0 138)) (.cse6 (< ~a23~0 307)) (.cse14 (<= ~a29~0 277)) (.cse13 (< 245 ~a29~0)) (.cse10 (< ~a23~0 600391)) (.cse2 (= ~a4~0 1)) (.cse19 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a25~0 13)) (<= 570382 ~a29~0) .cse4 .cse5 .cse2) (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (and .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse10 .cse2 (= ~a25~0 10)) (and .cse11 .cse10 .cse5 .cse1 .cse2) (and .cse12 .cse2) (and .cse13 .cse14 .cse10 .cse2) (not (= ~a3~0 1)) (and .cse6 (<= 12 ~a25~0) .cse2) (< 312 |old(~a23~0)|) (and .cse15 .cse7 .cse12) (and .cse13 .cse14 .cse8 .cse2) (and .cse16 .cse7 .cse10 .cse17 .cse18) (and .cse16 .cse10 .cse1 (<= ~a29~0 220) .cse2) (and .cse13 .cse7 .cse12) (and .cse15 .cse7 .cse8 .cse9) (not .cse17) (and .cse10 .cse0 .cse1 .cse2 .cse19) (not (= ~a8~0 15)) (and .cse10 .cse17 .cse2 .cse18 .cse3) (and .cse16 .cse14 .cse7) (and .cse11 .cse7 .cse12) (< 130 |old(~a29~0)|) (and .cse6 .cse14 .cse2) (and .cse13 .cse10 .cse2 (<= ~a25~0 9)) (and .cse16 .cse10 .cse2 .cse19 (<= ~a29~0 130))))) [2023-04-01 22:21:53,103 INFO L899 garLoopResultBuilder]: For program point L1052-1(line 1052) no Hoare annotation was computed. [2023-04-01 22:21:53,103 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-04-01 22:21:53,103 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:21:53,103 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse16 (= ~a25~0 12))) (let ((.cse4 (<= 307 ~a23~0)) (.cse5 (not .cse16)) (.cse15 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 10)) (.cse9 (not (= ~a25~0 9))) (.cse0 (<= ~a29~0 245)) (.cse1 (<= 141 ~a29~0)) (.cse17 (= |old(~a4~0)| 1)) (.cse18 (< 306 |old(~a23~0)|)) (.cse3 (<= 13 ~a25~0)) (.cse11 (<= 11 ~a25~0)) (.cse7 (= ~a4~0 0)) (.cse12 (<= ~a23~0 138)) (.cse6 (< ~a23~0 307)) (.cse14 (<= ~a29~0 277)) (.cse13 (< 245 ~a29~0)) (.cse10 (< ~a23~0 600391)) (.cse2 (= ~a4~0 1)) (.cse19 (<= 312 ~a23~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a25~0 13)) (<= 570382 ~a29~0) .cse4 .cse5 .cse2) (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (and .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse10 .cse2 (= ~a25~0 10)) (and .cse11 .cse10 .cse5 .cse1 .cse2) (and .cse12 .cse2) (and .cse13 .cse14 .cse10 .cse2) (not (= ~a3~0 1)) (and .cse6 (<= 12 ~a25~0) .cse2) (< 312 |old(~a23~0)|) (and .cse15 .cse7 .cse12) (and .cse13 .cse14 .cse8 .cse2) (and .cse16 .cse7 .cse10 .cse17 .cse18) (and .cse16 .cse10 .cse1 (<= ~a29~0 220) .cse2) (and .cse13 .cse7 .cse12) (and .cse15 .cse7 .cse8 .cse9) (not .cse17) (and .cse10 .cse0 .cse1 .cse2 .cse19) (not (= ~a8~0 15)) (and .cse10 .cse17 .cse2 .cse18 .cse3) (and .cse16 .cse14 .cse7) (and .cse11 .cse7 .cse12) (< 130 |old(~a29~0)|) (and .cse6 .cse14 .cse2) (and .cse13 .cse10 .cse2 (<= ~a25~0 9)) (and .cse16 .cse10 .cse2 .cse19 (<= ~a29~0 130))))) [2023-04-01 22:21:53,103 INFO L899 garLoopResultBuilder]: For program point L1044-3(lines 1038 1054) no Hoare annotation was computed. [2023-04-01 22:21:53,103 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1038 1054) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (< |old(~a23~0)| 312) (not (= ~a3~0 1)) (< 312 |old(~a23~0)|) (and (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a25~0 10)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (< 130 |old(~a29~0)|)) [2023-04-01 22:21:53,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a3~0 |old(~a3~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a8~0 |old(~a8~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,104 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,105 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,106 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-04-01 22:21:53,106 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,108 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,109 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,110 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-04-01 22:21:53,111 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-04-01 22:21:53,112 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-04-01 22:21:53,113 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:21:53,114 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-04-01 22:21:53,115 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-04-01 22:21:53,116 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-04-01 22:21:53,117 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2023-04-01 22:21:53,118 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,119 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,120 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,121 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,122 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-04-01 22:21:53,123 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-04-01 22:21:53,124 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 1036) the Hoare annotation is: (let ((.cse24 (= ~a25~0 12)) (.cse28 (= ~a4~0 1)) (.cse10 (= 12 |old(~a25~0)|)) (.cse25 (= ~a29~0 |old(~a29~0)|)) (.cse26 (= ~a4~0 0)) (.cse27 (= ~a23~0 |old(~a23~0)|)) (.cse29 (= ~a25~0 |old(~a25~0)|))) (let ((.cse12 (< 138 |old(~a23~0)|)) (.cse21 (< 140 |old(~a29~0)|)) (.cse22 (and .cse25 .cse26 .cse27 .cse29)) (.cse20 (= 9 |old(~a25~0)|)) (.cse8 (and .cse25 .cse27 .cse29 (= ~a4~0 |old(~a4~0)|))) (.cse9 (< |old(~a29~0)| 570382)) (.cse5 (< 10 |old(~a25~0)|)) (.cse19 (not (= |old(~a4~0)| 0))) (.cse13 (< |old(~a23~0)| 312)) (.cse17 (not .cse10)) (.cse18 (and .cse24 .cse25 .cse27 .cse28)) (.cse11 (< |old(~a25~0)| 11)) (.cse16 (< |old(~a25~0)| 13)) (.cse15 (< |old(~a29~0)| 141)) (.cse3 (<= |old(~a29~0)| 245)) (.cse14 (<= 600391 |old(~a23~0)|)) (.cse4 (not (= ~a3~0 1))) (.cse23 (< |old(~a23~0)| 307)) (.cse7 (not (= ~a8~0 15))) (.cse0 (<= 307 |old(~a23~0)|)) (.cse6 (< 277 |old(~a29~0)|)) (.cse1 (not (= |old(~a4~0)| 1))) (.cse2 (and .cse25 .cse27 .cse28 .cse29))) (and (or .cse0 (< 9 |old(~a25~0)|) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8) (or (= 13 |old(~a25~0)|) .cse9 .cse4 .cse1 .cse7 .cse2 .cse10 .cse11) (or .cse0 .cse1 .cse2 .cse11) (or .cse12 .cse1 .cse2) (or .cse13 .cse14 .cse4 .cse15 .cse6 .cse1 .cse7 .cse2) (or .cse16 .cse14 .cse4 .cse1 .cse7 .cse2) (or .cse14 .cse3 .cse4 .cse17 .cse18 .cse6 .cse1 .cse7) (or (< 220 |old(~a29~0)|) .cse14 .cse4 .cse17 .cse18 .cse15 .cse1 .cse7) (or .cse19 .cse4 .cse5 .cse20 .cse7 .cse8 .cse21) (or .cse19 .cse12 .cse4 .cse22 .cse7 .cse11) (or .cse19 .cse12 .cse3 .cse4 .cse22 .cse7) (or .cse19 .cse12 .cse4 .cse22 .cse7 .cse21) (or .cse19 .cse4 .cse5 .cse22 .cse0 .cse20 .cse7) (or .cse19 .cse4 .cse17 .cse6 .cse7 .cse8) (or .cse9 .cse4 .cse23 .cse5 .cse1 .cse7 .cse2) (or .cse19 .cse14 .cse4 .cse17 (and .cse24 .cse25 .cse26 .cse27) .cse7) (or .cse13 .cse14 .cse4 .cse17 .cse18 .cse1 .cse7 (< 130 |old(~a29~0)|)) (or .cse14 .cse4 .cse15 .cse1 .cse7 .cse2 .cse10 .cse11) (or .cse16 .cse4 (< 245 |old(~a29~0)|) .cse15 .cse1 .cse7 .cse2) (or .cse14 .cse3 .cse4 .cse23 .cse1 .cse7 .cse2 .cse10) (or (not (= 10 |old(~a25~0)|)) .cse14 .cse4 .cse23 (and .cse25 .cse27 .cse28 (= ~a25~0 10)) .cse1 .cse7) (or .cse0 .cse6 .cse1 .cse2)))) [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-04-01 22:21:53,125 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-04-01 22:21:53,126 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-04-01 22:21:53,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:21:53,127 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a3~0 1) (= ~a4~0 1) (<= ~a23~0 312) (<= 312 ~a23~0) (= ~a8~0 15) (= ~a25~0 10) (<= ~a29~0 130)) [2023-04-01 22:21:53,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:21:53,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:21:53,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:21:53,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:21:53,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:21:53 BoogieIcfgContainer [2023-04-01 22:21:53,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:21:53,157 INFO L158 Benchmark]: Toolchain (without parser) took 87463.80ms. Allocated memory was 186.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 119.2MB in the beginning and 732.3MB in the end (delta: -613.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-04-01 22:21:53,157 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:21:53,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.50ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 119.0MB in the beginning and 167.1MB in the end (delta: -48.1MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2023-04-01 22:21:53,157 INFO L158 Benchmark]: Boogie Preprocessor took 158.49ms. Allocated memory is still 232.8MB. Free memory was 167.1MB in the beginning and 160.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-04-01 22:21:53,158 INFO L158 Benchmark]: RCFGBuilder took 1460.56ms. Allocated memory is still 232.8MB. Free memory was 159.8MB in the beginning and 118.0MB in the end (delta: 41.8MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2023-04-01 22:21:53,158 INFO L158 Benchmark]: TraceAbstraction took 85173.60ms. Allocated memory was 232.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 117.4MB in the beginning and 732.3MB in the end (delta: -614.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-04-01 22:21:53,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 664.50ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 119.0MB in the beginning and 167.1MB in the end (delta: -48.1MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 158.49ms. Allocated memory is still 232.8MB. Free memory was 167.1MB in the beginning and 160.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1460.56ms. Allocated memory is still 232.8MB. Free memory was 159.8MB in the beginning and 118.0MB in the end (delta: 41.8MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. * TraceAbstraction took 85173.60ms. Allocated memory was 232.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 117.4MB in the beginning and 732.3MB in the end (delta: -614.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 151]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 295 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.1s, OverallIterations: 16, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 36.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22772 SdHoareTripleChecker+Valid, 28.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22751 mSDsluCounter, 3024 SdHoareTripleChecker+Invalid, 24.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1745 mSDsCounter, 5320 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34997 IncrementalHoareTripleChecker+Invalid, 40317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5320 mSolverCounterUnsat, 1279 mSDtfsCounter, 34997 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12898 GetRequests, 12559 SyntacticMatches, 12 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3451 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27965occurred in iteration=11, InterpolantAutomatonStates: 284, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 15591 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1021 PreInvPairs, 1265 NumberOfFragments, 1478 HoareAnnotationTreeSize, 1021 FomulaSimplifications, 75369 FormulaSimplificationTreeSizeReduction, 10.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 31479 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 14387 NumberOfCodeBlocks, 14387 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 19749 ConstructedInterpolants, 0 QuantifiedInterpolants, 42443 SizeOfPredicates, 15 NumberOfNonLiveVariables, 11017 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 37 InterpolantComputations, 9 PerfectInterpolantSequences, 48262/50523 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a29 <= 245 && 141 <= a29) && a4 == 1) && 13 <= a25) || ((((!(a25 == 13) && 570382 <= a29) && 307 <= a23) && !(a25 == 12)) && a4 == 1)) || !(10 == \old(a25))) || \old(a23) < 312) || (((a23 < 307 && a4 == 0) && a25 <= 10) && !(a25 == 9))) || (((307 <= a23 && a23 < 600391) && a4 == 1) && a25 == 10)) || ((((11 <= a25 && a23 < 600391) && !(a25 == 12)) && 141 <= a29) && a4 == 1)) || (a23 <= 138 && a4 == 1)) || (((245 < a29 && a29 <= 277) && a23 < 600391) && a4 == 1)) || !(a3 == 1)) || ((a23 < 307 && 12 <= a25) && a4 == 1)) || 312 < \old(a23)) || ((a29 <= 140 && a4 == 0) && a23 <= 138)) || (((245 < a29 && a29 <= 277) && a25 <= 10) && a4 == 1)) || ((((a25 == 12 && a4 == 0) && a23 < 600391) && \old(a4) == 1) && 306 < \old(a23))) || ((((a25 == 12 && a23 < 600391) && 141 <= a29) && a29 <= 220) && a4 == 1)) || ((245 < a29 && a4 == 0) && a23 <= 138)) || (((a29 <= 140 && a4 == 0) && a25 <= 10) && !(a25 == 9))) || !(\old(a4) == 1)) || ((((a23 < 600391 && a29 <= 245) && 141 <= a29) && a4 == 1) && 312 <= a23)) || !(a8 == 15)) || ((((a23 < 600391 && \old(a4) == 1) && a4 == 1) && 306 < \old(a23)) && 13 <= a25)) || ((a25 == 12 && a29 <= 277) && a4 == 0)) || ((11 <= a25 && a4 == 0) && a23 <= 138)) || 130 < \old(a29)) || ((a23 < 307 && a29 <= 277) && a4 == 1)) || (((245 < a29 && a23 < 600391) && a4 == 1) && a25 <= 9)) || ((((a25 == 12 && a23 < 600391) && a4 == 1) && 312 <= a23) && a29 <= 130) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:21:53,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...