/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/Problem14_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:53:43,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:53:43,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:53:43,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:53:43,234 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 22:53:43,263 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:53:43,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:53:43,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:53:43,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:53:43,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:53:43,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:53:43,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:53:43,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:53:43,266 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:53:43,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:53:43,267 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:53:43,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:53:43,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:53:43,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:53:43,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:53:43,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:53:43,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:53:43,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:43,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:53:43,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:53:43,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:53:43,271 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:53:43,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:53:43,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:53:43,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:53:43,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:53:43,506 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:53:43,509 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:53:43,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2023-04-01 22:53:44,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:53:44,789 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:53:44,790 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2023-04-01 22:53:44,805 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ec0f05e0/9e1bade307fc48edbde7395b5e4ec42d/FLAGffc7ee18b [2023-04-01 22:53:44,817 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ec0f05e0/9e1bade307fc48edbde7395b5e4ec42d [2023-04-01 22:53:44,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:53:44,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:53:44,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:44,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:53:44,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:53:44,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:44" (1/1) ... [2023-04-01 22:53:44,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78951595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:44, skipping insertion in model container [2023-04-01 22:53:44,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:44" (1/1) ... [2023-04-01 22:53:44,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:53:44,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:53:44,988 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/Problem14_label23.c[3423,3436] [2023-04-01 22:53:45,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:45,114 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:53:45,126 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/Problem14_label23.c[3423,3436] [2023-04-01 22:53:45,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:53:45,184 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:53:45,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45 WrapperNode [2023-04-01 22:53:45,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:53:45,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:53:45,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:53:45,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:53:45,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:53:45,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:53:45,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:53:45,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:53:45,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (1/1) ... [2023-04-01 22:53:45,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:53:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:45,306 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 22:53:45,321 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 22:53:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:53:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:53:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:53:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:53:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:53:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:53:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:53:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:53:45,397 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:53:45,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:53:46,365 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:53:46,375 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:53:46,375 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:53:46,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:46 BoogieIcfgContainer [2023-04-01 22:53:46,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:53:46,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:53:46,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:53:46,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:53:46,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:53:44" (1/3) ... [2023-04-01 22:53:46,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9d470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:46, skipping insertion in model container [2023-04-01 22:53:46,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:45" (2/3) ... [2023-04-01 22:53:46,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9d470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:46, skipping insertion in model container [2023-04-01 22:53:46,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:46" (3/3) ... [2023-04-01 22:53:46,384 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2023-04-01 22:53:46,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:53:46,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:53:46,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:53:46,450 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;@169d176, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:53:46,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:53:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 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 22:53:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-04-01 22:53:46,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:46,462 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] [2023-04-01 22:53:46,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:46,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:46,466 INFO L85 PathProgramCache]: Analyzing trace with hash 66430121, now seen corresponding path program 1 times [2023-04-01 22:53:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:46,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573304659] [2023-04-01 22:53:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:46,757 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 22:53:46,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:46,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573304659] [2023-04-01 22:53:46,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573304659] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:46,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:53:46,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 22:53:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097946029] [2023-04-01 22:53:46,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:46,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:46,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:46,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:46,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:53:46,784 INFO L87 Difference]: Start difference. First operand has 254 states, 246 states have (on average 1.7276422764227641) internal successors, (425), 247 states have internal predecessors, (425), 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 5 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 22:53:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:48,379 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2023-04-01 22:53:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:53:48,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 38 [2023-04-01 22:53:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:48,391 INFO L225 Difference]: With dead ends: 886 [2023-04-01 22:53:48,391 INFO L226 Difference]: Without dead ends: 564 [2023-04-01 22:53:48,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:53:48,398 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1253 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:48,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 31 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:53:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-04-01 22:53:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2023-04-01 22:53:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 546 states have (on average 1.6282051282051282) internal successors, (889), 548 states have internal predecessors, (889), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 22:53:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2023-04-01 22:53:48,449 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 38 [2023-04-01 22:53:48,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:48,449 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2023-04-01 22:53:48,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 22:53:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2023-04-01 22:53:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 22:53:48,453 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:48,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:48,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:53:48,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:48,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1674716744, now seen corresponding path program 1 times [2023-04-01 22:53:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:48,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041512201] [2023-04-01 22:53:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:48,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:48,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:48,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041512201] [2023-04-01 22:53:48,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041512201] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:48,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:53:48,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:53:48,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993619998] [2023-04-01 22:53:48,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:48,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:53:48,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:48,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:53:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:53:48,738 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 22:53:49,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:49,721 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2023-04-01 22:53:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:53:49,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 112 [2023-04-01 22:53:49,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:49,725 INFO L225 Difference]: With dead ends: 1320 [2023-04-01 22:53:49,725 INFO L226 Difference]: Without dead ends: 768 [2023-04-01 22:53:49,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:53:49,727 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 957 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:49,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 55 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:53:49,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2023-04-01 22:53:49,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2023-04-01 22:53:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 550 states have (on average 1.449090909090909) internal successors, (797), 556 states have internal predecessors, (797), 5 states have call successors, (5), 5 states have call predecessors, (5), 10 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-01 22:53:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2023-04-01 22:53:49,748 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 112 [2023-04-01 22:53:49,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:49,748 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2023-04-01 22:53:49,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 22:53:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2023-04-01 22:53:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 22:53:49,751 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:49,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:49,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:53:49,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:49,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:49,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1500350869, now seen corresponding path program 1 times [2023-04-01 22:53:49,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:49,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794495475] [2023-04-01 22:53:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:49,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:50,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794495475] [2023-04-01 22:53:50,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794495475] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:50,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317185236] [2023-04-01 22:53:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:50,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:50,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:50,044 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 22:53:50,056 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 22:53:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:50,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:53:50,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:50,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:50,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317185236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:50,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:50,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-04-01 22:53:50,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591879817] [2023-04-01 22:53:50,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:50,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:50,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:50,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:53:50,631 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 22:53:51,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:51,303 INFO L93 Difference]: Finished difference Result 1324 states and 1907 transitions. [2023-04-01 22:53:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:53:51,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 121 [2023-04-01 22:53:51,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:51,306 INFO L225 Difference]: With dead ends: 1324 [2023-04-01 22:53:51,306 INFO L226 Difference]: Without dead ends: 764 [2023-04-01 22:53:51,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-04-01 22:53:51,308 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 398 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:51,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 54 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:53:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2023-04-01 22:53:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 750. [2023-04-01 22:53:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 731 states have (on average 1.362517099863201) internal successors, (996), 738 states have internal predecessors, (996), 6 states have call successors, (6), 6 states have call predecessors, (6), 12 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-01 22:53:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1024 transitions. [2023-04-01 22:53:51,325 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1024 transitions. Word has length 121 [2023-04-01 22:53:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:51,325 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1024 transitions. [2023-04-01 22:53:51,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 22:53:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1024 transitions. [2023-04-01 22:53:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-01 22:53:51,327 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:51,328 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:51,335 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 22:53:51,532 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 22:53:51,535 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:51,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2133981045, now seen corresponding path program 1 times [2023-04-01 22:53:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220646260] [2023-04-01 22:53:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-01 22:53:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:53:52,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:52,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220646260] [2023-04-01 22:53:52,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220646260] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352394084] [2023-04-01 22:53:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:52,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:52,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:52,193 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 22:53:52,195 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 22:53:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:52,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:53:52,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-01 22:53:52,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:53:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352394084] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:53:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:53:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:53:52,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022733636] [2023-04-01 22:53:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:53:52,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:53:52,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:52,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:53:52,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:53:52,550 INFO L87 Difference]: Start difference. First operand 750 states and 1024 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:53:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:53:53,350 INFO L93 Difference]: Finished difference Result 1528 states and 2159 transitions. [2023-04-01 22:53:53,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:53:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 194 [2023-04-01 22:53:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:53:53,354 INFO L225 Difference]: With dead ends: 1528 [2023-04-01 22:53:53,354 INFO L226 Difference]: Without dead ends: 966 [2023-04-01 22:53:53,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:53:53,356 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 423 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:53:53,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 54 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 22:53:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-04-01 22:53:53,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 942. [2023-04-01 22:53:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 916 states have (on average 1.3024017467248907) internal successors, (1193), 928 states have internal predecessors, (1193), 7 states have call successors, (7), 7 states have call predecessors, (7), 18 states have return successors, (43), 6 states have call predecessors, (43), 6 states have call successors, (43) [2023-04-01 22:53:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1243 transitions. [2023-04-01 22:53:53,421 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1243 transitions. Word has length 194 [2023-04-01 22:53:53,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:53:53,421 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1243 transitions. [2023-04-01 22:53:53,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 22:53:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1243 transitions. [2023-04-01 22:53:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-01 22:53:53,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:53:53,423 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:53:53,445 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 22:53:53,624 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 22:53:53,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:53:53,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:53:53,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1785503882, now seen corresponding path program 1 times [2023-04-01 22:53:53,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:53:53,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368058178] [2023-04-01 22:53:53,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:53,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:53:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:53:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:53:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-01 22:53:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 92 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:53:54,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:53:54,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368058178] [2023-04-01 22:53:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368058178] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:53:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165009054] [2023-04-01 22:53:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:53:54,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:53:54,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:53:54,295 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 22:53:54,298 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 22:53:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:53:54,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:53:54,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:53:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:55,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:53:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 63 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:53:57,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165009054] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:53:57,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:53:57,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-04-01 22:53:57,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059015658] [2023-04-01 22:53:57,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:53:57,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 22:53:57,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:53:57,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 22:53:57,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2023-04-01 22:53:57,017 INFO L87 Difference]: Start difference. First operand 942 states and 1243 transitions. Second operand has 22 states, 22 states have (on average 23.818181818181817) internal successors, (524), 20 states have internal predecessors, (524), 7 states have call successors, (12), 11 states have call predecessors, (12), 8 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:54:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:00,616 INFO L93 Difference]: Finished difference Result 2792 states and 3923 transitions. [2023-04-01 22:54:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:54:00,617 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 23.818181818181817) internal successors, (524), 20 states have internal predecessors, (524), 7 states have call successors, (12), 11 states have call predecessors, (12), 8 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 205 [2023-04-01 22:54:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:00,624 INFO L225 Difference]: With dead ends: 2792 [2023-04-01 22:54:00,624 INFO L226 Difference]: Without dead ends: 1956 [2023-04-01 22:54:00,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:54:00,628 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 4389 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 3416 mSolverCounterSat, 874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 3416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:00,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 156 Invalid, 4290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [874 Valid, 3416 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 22:54:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2023-04-01 22:54:00,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1880. [2023-04-01 22:54:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1880 states, 1830 states have (on average 1.137704918032787) internal successors, (2082), 1856 states have internal predecessors, (2082), 12 states have call successors, (12), 12 states have call predecessors, (12), 37 states have return successors, (87), 11 states have call predecessors, (87), 11 states have call successors, (87) [2023-04-01 22:54:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2181 transitions. [2023-04-01 22:54:00,668 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2181 transitions. Word has length 205 [2023-04-01 22:54:00,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:00,669 INFO L495 AbstractCegarLoop]: Abstraction has 1880 states and 2181 transitions. [2023-04-01 22:54:00,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 23.818181818181817) internal successors, (524), 20 states have internal predecessors, (524), 7 states have call successors, (12), 11 states have call predecessors, (12), 8 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2023-04-01 22:54:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2181 transitions. [2023-04-01 22:54:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-04-01 22:54:00,672 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:00,672 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:00,679 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 22:54:00,880 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 22:54:00,880 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:00,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash -578930334, now seen corresponding path program 1 times [2023-04-01 22:54:00,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:00,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018081894] [2023-04-01 22:54:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-01 22:54:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:54:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 170 proven. 75 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-04-01 22:54:01,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018081894] [2023-04-01 22:54:01,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018081894] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389908769] [2023-04-01 22:54:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:01,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:01,150 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 22:54:01,165 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 22:54:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:01,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:01,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 294 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-01 22:54:01,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 171 proven. 76 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-04-01 22:54:01,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389908769] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:01,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:01,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:54:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113509513] [2023-04-01 22:54:01,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:01,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:54:01,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:01,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:54:01,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:54:01,571 INFO L87 Difference]: Start difference. First operand 1880 states and 2181 transitions. Second operand has 12 states, 12 states have (on average 35.083333333333336) internal successors, (421), 10 states have internal predecessors, (421), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:54:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:03,235 INFO L93 Difference]: Finished difference Result 6554 states and 8007 transitions. [2023-04-01 22:54:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-01 22:54:03,237 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 35.083333333333336) internal successors, (421), 10 states have internal predecessors, (421), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 306 [2023-04-01 22:54:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:03,251 INFO L225 Difference]: With dead ends: 6554 [2023-04-01 22:54:03,251 INFO L226 Difference]: Without dead ends: 4862 [2023-04-01 22:54:03,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 629 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2023-04-01 22:54:03,256 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1448 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:03,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 91 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 22:54:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2023-04-01 22:54:03,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4310. [2023-04-01 22:54:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4310 states, 4202 states have (on average 1.1266063779152784) internal successors, (4734), 4260 states have internal predecessors, (4734), 25 states have call successors, (25), 25 states have call predecessors, (25), 82 states have return successors, (325), 24 states have call predecessors, (325), 24 states have call successors, (325) [2023-04-01 22:54:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 5084 transitions. [2023-04-01 22:54:03,351 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 5084 transitions. Word has length 306 [2023-04-01 22:54:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:03,351 INFO L495 AbstractCegarLoop]: Abstraction has 4310 states and 5084 transitions. [2023-04-01 22:54:03,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.083333333333336) internal successors, (421), 10 states have internal predecessors, (421), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 22:54:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 5084 transitions. [2023-04-01 22:54:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2023-04-01 22:54:03,361 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:03,361 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-04-01 22:54:03,368 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 22:54:03,566 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 22:54:03,567 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:03,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2040538363, now seen corresponding path program 1 times [2023-04-01 22:54:03,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:03,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309113790] [2023-04-01 22:54:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:03,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:54:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 271 proven. 156 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-04-01 22:54:04,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:04,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309113790] [2023-04-01 22:54:04,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309113790] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:04,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711587857] [2023-04-01 22:54:04,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:04,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:04,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:04,609 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:54:04,610 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 22:54:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:04,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:54:04,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-01 22:54:04,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-01 22:54:05,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711587857] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:05,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:05,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 12 [2023-04-01 22:54:05,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665191140] [2023-04-01 22:54:05,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:05,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:54:05,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:05,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:54:05,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:54:05,312 INFO L87 Difference]: Start difference. First operand 4310 states and 5084 transitions. Second operand has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 10 states have internal predecessors, (506), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:54:07,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:07,016 INFO L93 Difference]: Finished difference Result 10472 states and 12488 transitions. [2023-04-01 22:54:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:54:07,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 10 states have internal predecessors, (506), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 502 [2023-04-01 22:54:07,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:07,038 INFO L225 Difference]: With dead ends: 10472 [2023-04-01 22:54:07,038 INFO L226 Difference]: Without dead ends: 6534 [2023-04-01 22:54:07,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 1025 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:54:07,047 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1854 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:07,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 50 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:54:07,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6534 states. [2023-04-01 22:54:07,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6534 to 5234. [2023-04-01 22:54:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5234 states, 5109 states have (on average 1.1205715404188688) internal successors, (5725), 5174 states have internal predecessors, (5725), 30 states have call successors, (30), 30 states have call predecessors, (30), 94 states have return successors, (382), 29 states have call predecessors, (382), 29 states have call successors, (382) [2023-04-01 22:54:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6137 transitions. [2023-04-01 22:54:07,163 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6137 transitions. Word has length 502 [2023-04-01 22:54:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:07,163 INFO L495 AbstractCegarLoop]: Abstraction has 5234 states and 6137 transitions. [2023-04-01 22:54:07,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 10 states have internal predecessors, (506), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 22:54:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6137 transitions. [2023-04-01 22:54:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2023-04-01 22:54:07,172 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:07,172 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:07,193 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 22:54:07,379 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 22:54:07,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:07,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:07,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1564490747, now seen corresponding path program 1 times [2023-04-01 22:54:07,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:07,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931909455] [2023-04-01 22:54:07,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:07,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:54:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2023-04-01 22:54:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-04-01 22:54:08,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:08,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931909455] [2023-04-01 22:54:08,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931909455] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:08,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697931777] [2023-04-01 22:54:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:08,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:08,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:08,350 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 22:54:08,352 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 22:54:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:08,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:54:08,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 484 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-04-01 22:54:08,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 484 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-04-01 22:54:09,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697931777] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:09,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:09,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2023-04-01 22:54:09,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563602899] [2023-04-01 22:54:09,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:09,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:54:09,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:54:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:54:09,966 INFO L87 Difference]: Start difference. First operand 5234 states and 6137 transitions. Second operand has 16 states, 16 states have (on average 28.5) internal successors, (456), 14 states have internal predecessors, (456), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:13,519 INFO L93 Difference]: Finished difference Result 10330 states and 12205 transitions. [2023-04-01 22:54:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-04-01 22:54:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 28.5) internal successors, (456), 14 states have internal predecessors, (456), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 575 [2023-04-01 22:54:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:13,531 INFO L225 Difference]: With dead ends: 10330 [2023-04-01 22:54:13,532 INFO L226 Difference]: Without dead ends: 4416 [2023-04-01 22:54:13,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1180 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=765, Invalid=2657, Unknown=0, NotChecked=0, Total=3422 [2023-04-01 22:54:13,542 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 3004 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3009 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:13,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3009 Valid, 112 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 22:54:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4416 states. [2023-04-01 22:54:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4416 to 3924. [2023-04-01 22:54:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 3831 states have (on average 1.063690942312712) internal successors, (4075), 3878 states have internal predecessors, (4075), 23 states have call successors, (23), 23 states have call predecessors, (23), 69 states have return successors, (232), 22 states have call predecessors, (232), 22 states have call successors, (232) [2023-04-01 22:54:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 4330 transitions. [2023-04-01 22:54:13,654 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 4330 transitions. Word has length 575 [2023-04-01 22:54:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:13,655 INFO L495 AbstractCegarLoop]: Abstraction has 3924 states and 4330 transitions. [2023-04-01 22:54:13,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 28.5) internal successors, (456), 14 states have internal predecessors, (456), 6 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 4330 transitions. [2023-04-01 22:54:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2023-04-01 22:54:13,660 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:13,661 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 22:54:13,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-01 22:54:13,869 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 22:54:13,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:13,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:13,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1031550073, now seen corresponding path program 1 times [2023-04-01 22:54:13,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:13,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746848464] [2023-04-01 22:54:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:13,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:54:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-04-01 22:54:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 551 proven. 90 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-04-01 22:54:14,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:14,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746848464] [2023-04-01 22:54:14,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746848464] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:14,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806067740] [2023-04-01 22:54:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:14,965 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 22:54:14,967 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 22:54:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:15,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 14 conjunts are in the unsatisfiable core [2023-04-01 22:54:15,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 840 proven. 2 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-04-01 22:54:15,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 552 proven. 83 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-04-01 22:54:16,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806067740] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:16,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:16,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 13 [2023-04-01 22:54:16,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715841978] [2023-04-01 22:54:16,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:16,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:54:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:16,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:54:16,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:54:16,534 INFO L87 Difference]: Start difference. First operand 3924 states and 4330 transitions. Second operand has 13 states, 13 states have (on average 47.61538461538461) internal successors, (619), 11 states have internal predecessors, (619), 6 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:54:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:18,694 INFO L93 Difference]: Finished difference Result 9496 states and 10547 transitions. [2023-04-01 22:54:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-01 22:54:18,694 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 47.61538461538461) internal successors, (619), 11 states have internal predecessors, (619), 6 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 681 [2023-04-01 22:54:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:18,707 INFO L225 Difference]: With dead ends: 9496 [2023-04-01 22:54:18,707 INFO L226 Difference]: Without dead ends: 5760 [2023-04-01 22:54:18,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1422 GetRequests, 1388 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=306, Invalid=954, Unknown=0, NotChecked=0, Total=1260 [2023-04-01 22:54:18,713 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1540 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:18,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 65 Invalid, 2662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2418 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:54:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2023-04-01 22:54:18,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 5026. [2023-04-01 22:54:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 4916 states have (on average 1.0583807973962571) internal successors, (5203), 4968 states have internal predecessors, (5203), 29 states have call successors, (29), 29 states have call predecessors, (29), 80 states have return successors, (282), 28 states have call predecessors, (282), 28 states have call successors, (282) [2023-04-01 22:54:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 5514 transitions. [2023-04-01 22:54:18,811 INFO L78 Accepts]: Start accepts. Automaton has 5026 states and 5514 transitions. Word has length 681 [2023-04-01 22:54:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:18,812 INFO L495 AbstractCegarLoop]: Abstraction has 5026 states and 5514 transitions. [2023-04-01 22:54:18,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.61538461538461) internal successors, (619), 11 states have internal predecessors, (619), 6 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:54:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5026 states and 5514 transitions. [2023-04-01 22:54:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2023-04-01 22:54:18,818 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:18,818 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:18,826 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 22:54:19,024 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 22:54:19,024 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:19,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1469893909, now seen corresponding path program 1 times [2023-04-01 22:54:19,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:19,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795198131] [2023-04-01 22:54:19,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:19,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-04-01 22:54:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-04-01 22:54:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 596 proven. 17 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2023-04-01 22:54:19,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:19,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795198131] [2023-04-01 22:54:19,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795198131] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:19,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932216077] [2023-04-01 22:54:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:19,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:19,884 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 22:54:19,886 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 22:54:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:20,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:20,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1091 proven. 2 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2023-04-01 22:54:20,142 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 442 proven. 150 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2023-04-01 22:54:20,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932216077] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:20,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:20,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-04-01 22:54:20,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327529708] [2023-04-01 22:54:20,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:54:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:20,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:54:20,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:54:20,351 INFO L87 Difference]: Start difference. First operand 5026 states and 5514 transitions. Second operand has 14 states, 14 states have (on average 42.857142857142854) internal successors, (600), 12 states have internal predecessors, (600), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:23,402 INFO L93 Difference]: Finished difference Result 10426 states and 11490 transitions. [2023-04-01 22:54:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-04-01 22:54:23,412 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 42.857142857142854) internal successors, (600), 12 states have internal predecessors, (600), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 712 [2023-04-01 22:54:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:23,433 INFO L225 Difference]: With dead ends: 10426 [2023-04-01 22:54:23,433 INFO L226 Difference]: Without dead ends: 5590 [2023-04-01 22:54:23,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1542 GetRequests, 1475 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=719, Invalid=3703, Unknown=0, NotChecked=0, Total=4422 [2023-04-01 22:54:23,443 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6426 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 3440 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6426 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 3993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 3440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:23,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6426 Valid, 242 Invalid, 3993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 3440 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:54:23,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2023-04-01 22:54:23,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 4670. [2023-04-01 22:54:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4670 states, 4560 states have (on average 1.043859649122807) internal successors, (4760), 4616 states have internal predecessors, (4760), 27 states have call successors, (27), 27 states have call predecessors, (27), 82 states have return successors, (213), 26 states have call predecessors, (213), 26 states have call successors, (213) [2023-04-01 22:54:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4670 states and 5000 transitions. [2023-04-01 22:54:23,570 INFO L78 Accepts]: Start accepts. Automaton has 4670 states and 5000 transitions. Word has length 712 [2023-04-01 22:54:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:23,571 INFO L495 AbstractCegarLoop]: Abstraction has 4670 states and 5000 transitions. [2023-04-01 22:54:23,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 42.857142857142854) internal successors, (600), 12 states have internal predecessors, (600), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-01 22:54:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4670 states and 5000 transitions. [2023-04-01 22:54:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2023-04-01 22:54:23,580 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:23,581 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:23,587 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 22:54:23,786 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,SelfDestructingSolverStorable9 [2023-04-01 22:54:23,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:23,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash -443124486, now seen corresponding path program 1 times [2023-04-01 22:54:23,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:23,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493075626] [2023-04-01 22:54:23,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-04-01 22:54:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2023-04-01 22:54:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:54:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2023-04-01 22:54:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-04-01 22:54:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 816 proven. 50 refuted. 0 times theorem prover too weak. 2158 trivial. 0 not checked. [2023-04-01 22:54:25,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:25,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493075626] [2023-04-01 22:54:25,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493075626] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:25,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253538761] [2023-04-01 22:54:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:25,370 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 22:54:25,371 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 22:54:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:25,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:54:25,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 2051 proven. 2 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2023-04-01 22:54:25,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 629 proven. 457 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2023-04-01 22:54:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253538761] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:27,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:27,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-04-01 22:54:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466946343] [2023-04-01 22:54:27,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:27,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:54:27,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:54:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:54:27,028 INFO L87 Difference]: Start difference. First operand 4670 states and 5000 transitions. Second operand has 14 states, 14 states have (on average 58.285714285714285) internal successors, (816), 12 states have internal predecessors, (816), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:54:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:29,990 INFO L93 Difference]: Finished difference Result 9914 states and 10664 transitions. [2023-04-01 22:54:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-04-01 22:54:29,991 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 58.285714285714285) internal successors, (816), 12 states have internal predecessors, (816), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 1009 [2023-04-01 22:54:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:30,000 INFO L225 Difference]: With dead ends: 9914 [2023-04-01 22:54:30,000 INFO L226 Difference]: Without dead ends: 5248 [2023-04-01 22:54:30,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2129 GetRequests, 2072 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=530, Invalid=2662, Unknown=0, NotChecked=0, Total=3192 [2023-04-01 22:54:30,007 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 5070 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 4547 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5070 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 4547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:30,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5070 Valid, 279 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 4547 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:54:30,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2023-04-01 22:54:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5038. [2023-04-01 22:54:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5038 states, 4922 states have (on average 1.0375863470134092) internal successors, (5107), 4980 states have internal predecessors, (5107), 29 states have call successors, (29), 29 states have call predecessors, (29), 86 states have return successors, (202), 28 states have call predecessors, (202), 28 states have call successors, (202) [2023-04-01 22:54:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5038 states to 5038 states and 5338 transitions. [2023-04-01 22:54:30,094 INFO L78 Accepts]: Start accepts. Automaton has 5038 states and 5338 transitions. Word has length 1009 [2023-04-01 22:54:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:30,095 INFO L495 AbstractCegarLoop]: Abstraction has 5038 states and 5338 transitions. [2023-04-01 22:54:30,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 58.285714285714285) internal successors, (816), 12 states have internal predecessors, (816), 6 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-04-01 22:54:30,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5038 states and 5338 transitions. [2023-04-01 22:54:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2023-04-01 22:54:30,107 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:54:30,108 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:30,114 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 22:54:30,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:30,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:54:30,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:54:30,315 INFO L85 PathProgramCache]: Analyzing trace with hash -109237472, now seen corresponding path program 1 times [2023-04-01 22:54:30,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:54:30,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828516022] [2023-04-01 22:54:30,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:54:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:54:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:54:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:54:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:54:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:54:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-04-01 22:54:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2023-04-01 22:54:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-04-01 22:54:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-04-01 22:54:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1037 [2023-04-01 22:54:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3821 backedges. 294 proven. 9 refuted. 0 times theorem prover too weak. 3518 trivial. 0 not checked. [2023-04-01 22:54:31,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:54:31,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828516022] [2023-04-01 22:54:31,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828516022] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:54:31,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6515737] [2023-04-01 22:54:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:54:31,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:54:31,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:54:31,007 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 22:54:31,010 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 22:54:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:54:31,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:54:31,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:54:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3821 backedges. 2257 proven. 6 refuted. 0 times theorem prover too weak. 1558 trivial. 0 not checked. [2023-04-01 22:54:31,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:54:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3821 backedges. 1662 proven. 339 refuted. 0 times theorem prover too weak. 1820 trivial. 0 not checked. [2023-04-01 22:54:32,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6515737] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:54:32,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:54:32,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 16 [2023-04-01 22:54:32,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649947459] [2023-04-01 22:54:32,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:54:32,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:54:32,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:54:32,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:54:32,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:54:32,563 INFO L87 Difference]: Start difference. First operand 5038 states and 5338 transitions. Second operand has 16 states, 16 states have (on average 53.0625) internal successors, (849), 14 states have internal predecessors, (849), 7 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:54:34,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:54:34,605 INFO L93 Difference]: Finished difference Result 12100 states and 12830 transitions. [2023-04-01 22:54:34,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-01 22:54:34,605 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 53.0625) internal successors, (849), 14 states have internal predecessors, (849), 7 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) Word has length 1150 [2023-04-01 22:54:34,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:54:34,606 INFO L225 Difference]: With dead ends: 12100 [2023-04-01 22:54:34,607 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:54:34,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2358 GetRequests, 2326 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2023-04-01 22:54:34,622 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2040 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 3381 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 3381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:54:34,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 98 Invalid, 3696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 3381 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-01 22:54:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:54:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:54:34,622 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 22:54:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:54:34,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1150 [2023-04-01 22:54:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:54:34,623 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:54:34,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 53.0625) internal successors, (849), 14 states have internal predecessors, (849), 7 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2023-04-01 22:54:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:54:34,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:54:34,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:54:34,632 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 22:54:34,831 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,SelfDestructingSolverStorable11 [2023-04-01 22:54:34,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:54:43,586 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse9 (not (= ~a15~0 10))) (.cse10 (<= 8 ~a15~0)) (.cse8 (<= ~a12~0 11)) (.cse7 (<= 0 (+ 41 ~a12~0))) (.cse0 (= ~a24~0 1)) (.cse1 (< ~a12~0 600130)) (.cse3 (= ~a21~0 10)) (.cse2 (<= ~a15~0 8)) (.cse6 (<= ~a21~0 6)) (.cse4 (not (= ~a15~0 6))) (.cse5 (<= (+ 49 ~a12~0) 0))) (or (and .cse0 .cse1 .cse2 (not .cse3) (not (= ~a21~0 6)) (not (= 5 ~a15~0))) (not (= 7 |old(~a21~0)|)) (and (not .cse0) .cse2 .cse4 (<= ~a21~0 7) .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse3 .cse10) (and .cse0 (< ~a12~0 81) .cse9 (<= 8 ~a21~0) (<= ~a21~0 8)) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse0 .cse1 .cse9 .cse10 .cse7) (and .cse8 .cse0 .cse2 .cse7) (and .cse0 (<= ~a15~0 5) (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and .cse0 .cse1 .cse2 .cse4 .cse3) (< 8 |old(~a15~0)|) (and .cse2 .cse6 .cse4 .cse5) (< |old(~a15~0)| 8))) [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 900) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and (= ~a24~0 1) (= 7 ~a21~0) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 8)) (< 0 (+ 49 |old(~a12~0)|)) (< 8 |old(~a15~0)|) (< |old(~a15~0)| 8)) [2023-04-01 22:54:43,587 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse9 (not (= ~a15~0 10))) (.cse10 (<= 8 ~a15~0)) (.cse8 (<= ~a12~0 11)) (.cse7 (<= 0 (+ 41 ~a12~0))) (.cse0 (= ~a24~0 1)) (.cse1 (< ~a12~0 600130)) (.cse3 (= ~a21~0 10)) (.cse2 (<= ~a15~0 8)) (.cse6 (<= ~a21~0 6)) (.cse4 (not (= ~a15~0 6))) (.cse5 (<= (+ 49 ~a12~0) 0))) (or (and .cse0 .cse1 .cse2 (not .cse3) (not (= ~a21~0 6)) (not (= 5 ~a15~0))) (not (= 7 |old(~a21~0)|)) (and (not .cse0) .cse2 .cse4 (<= ~a21~0 7) .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse3 .cse10) (and .cse0 (< ~a12~0 81) .cse9 (<= 8 ~a21~0) (<= ~a21~0 8)) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse0 .cse1 .cse9 .cse10 .cse7) (and .cse8 .cse0 .cse2 .cse7) (and .cse0 (<= ~a15~0 5) (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)))) (and .cse0 .cse1 .cse2 .cse4 .cse3) (< 8 |old(~a15~0)|) (and .cse2 .cse6 .cse4 .cse5) (< |old(~a15~0)| 8))) [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~a21~0 |old(~a21~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a15~0 |old(~a15~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:54:43,587 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,588 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,589 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:54:43,590 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:54:43,591 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:54:43,592 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:54:43,593 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:54:43,594 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:54:43,595 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,596 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:54:43,597 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse12 (= |old(~a24~0)| 1)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= 10 |old(~a21~0)|)) (.cse14 (= ~a24~0 1)) (.cse10 (= ~a15~0 |old(~a15~0)|)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse13 (= 7 |old(~a21~0)|)) (.cse8 (= 6 |old(~a15~0)|)) (.cse0 (and .cse14 .cse10 .cse11 (= ~a21~0 10))) (.cse2 (not .cse5)) (.cse7 (< 8 |old(~a15~0)|)) (.cse6 (and .cse9 .cse14 .cse10 .cse11)) (.cse1 (= 10 |old(~a15~0)|)) (.cse3 (not .cse12)) (.cse4 (<= 600130 |old(~a12~0)|)) (.cse15 (< (+ 41 |old(~a12~0)|) 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~a15~0)| 8)) (or .cse5 .cse6 (= 5 |old(~a15~0)|) .cse3 .cse4 (= 6 |old(~a21~0)|) .cse7) (or .cse8 (< 0 (+ 49 |old(~a12~0)|)) (and .cse9 .cse10 .cse11 (= ~a24~0 |old(~a24~0)|)) .cse7 (< 7 |old(~a21~0)|) (and .cse12 .cse13)) (or .cse6 (and (<= (+ 43 |old(~a12~0)|) 0) .cse13) .cse3 (< 5 |old(~a15~0)|)) (or .cse0 .cse8 .cse2 .cse3 .cse4 .cse7) (or (< |old(~a21~0)| 8) .cse1 .cse3 (and .cse14 .cse10 .cse11 (<= 8 ~a21~0) (<= ~a21~0 8)) (<= 81 |old(~a12~0)|) (<= 9 |old(~a21~0)|)) (or (< 11 |old(~a12~0)|) .cse0 .cse2 .cse3 .cse15 .cse7) (or .cse5 .cse6 .cse1 .cse3 .cse4 .cse15)))) [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:54:43,598 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:54:43,599 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:54:43,600 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:54:43,600 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:54:43,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:54:43,600 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a24~0 1) (= 7 ~a21~0) (<= (+ 49 ~a12~0) 0) (= ~a15~0 8)) [2023-04-01 22:54:43,601 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:54:43,601 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:54:43,606 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:54:43,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:54:43,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:54:43 BoogieIcfgContainer [2023-04-01 22:54:43,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:54:43,634 INFO L158 Benchmark]: Toolchain (without parser) took 58813.99ms. Allocated memory was 400.6MB in the beginning and 1.0GB in the end (delta: 614.5MB). Free memory was 349.2MB in the beginning and 569.3MB in the end (delta: -220.1MB). Peak memory consumption was 607.2MB. Max. memory is 8.0GB. [2023-04-01 22:54:43,634 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 240.1MB. Free memory is still 189.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:54:43,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.29ms. Allocated memory is still 400.6MB. Free memory was 348.7MB in the beginning and 316.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-04-01 22:54:43,635 INFO L158 Benchmark]: Boogie Preprocessor took 83.26ms. Allocated memory is still 400.6MB. Free memory was 316.1MB in the beginning and 310.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-04-01 22:54:43,636 INFO L158 Benchmark]: RCFGBuilder took 1108.59ms. Allocated memory is still 400.6MB. Free memory was 310.4MB in the beginning and 335.4MB in the end (delta: -25.0MB). Peak memory consumption was 82.0MB. Max. memory is 8.0GB. [2023-04-01 22:54:43,636 INFO L158 Benchmark]: TraceAbstraction took 57253.52ms. Allocated memory was 400.6MB in the beginning and 1.0GB in the end (delta: 614.5MB). Free memory was 334.3MB in the beginning and 569.3MB in the end (delta: -235.0MB). Peak memory consumption was 591.3MB. Max. memory is 8.0GB. [2023-04-01 22:54:43,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 240.1MB. Free memory is still 189.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.29ms. Allocated memory is still 400.6MB. Free memory was 348.7MB in the beginning and 316.1MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.26ms. Allocated memory is still 400.6MB. Free memory was 316.1MB in the beginning and 310.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1108.59ms. Allocated memory is still 400.6MB. Free memory was 310.4MB in the beginning and 335.4MB in the end (delta: -25.0MB). Peak memory consumption was 82.0MB. Max. memory is 8.0GB. * TraceAbstraction took 57253.52ms. Allocated memory was 400.6MB in the beginning and 1.0GB in the end (delta: 614.5MB). Free memory was 334.3MB in the beginning and 569.3MB in the end (delta: -235.0MB). Peak memory consumption was 591.3MB. 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: 110]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.2s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28816 SdHoareTripleChecker+Valid, 17.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28802 mSDsluCounter, 1287 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1040 mSDsCounter, 4291 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27024 IncrementalHoareTripleChecker+Invalid, 31315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4291 mSolverCounterUnsat, 247 mSDtfsCounter, 27024 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11219 GetRequests, 10820 SyntacticMatches, 7 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5016 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5234occurred in iteration=7, InterpolantAutomatonStates: 328, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 4530 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 225 PreInvPairs, 331 NumberOfFragments, 741 HoareAnnotationTreeSize, 225 FomulaSimplifications, 393634 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22537 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 11060 NumberOfCodeBlocks, 11060 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 16170 ConstructedInterpolants, 0 QuantifiedInterpolants, 50202 SizeOfPredicates, 22 NumberOfNonLiveVariables, 8405 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 30 InterpolantComputations, 4 PerfectInterpolantSequences, 34095/35766 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: 890]: Loop Invariant Derived loop invariant: ((((((((((((((((((a24 == 1 && a12 < 600130) && a15 <= 8) && !(a21 == 10)) && !(a21 == 6)) && !(5 == a15)) || !(7 == \old(a21))) || ((((!(a24 == 1) && a15 <= 8) && !(a15 == 6)) && a21 <= 7) && 49 + a12 <= 0)) || ((((a24 == 1 && a12 < 600130) && a15 <= 8) && a21 <= 6) && 0 <= 41 + a12)) || ((((a12 <= 11 && a24 == 1) && !(a15 == 10)) && a21 == 10) && 8 <= a15)) || ((((a24 == 1 && a12 < 81) && !(a15 == 10)) && 8 <= a21) && a21 <= 8)) || !(\old(a24) == 1)) || 0 < 49 + \old(a12)) || ((((a24 == 1 && a12 < 600130) && !(a15 == 10)) && 8 <= a15) && 0 <= 41 + a12)) || (((a12 <= 11 && a24 == 1) && a15 <= 8) && 0 <= 41 + a12)) || ((a24 == 1 && a15 <= 5) && (!(7 == a21) || 0 < a12 + 43))) || ((((a24 == 1 && a12 < 600130) && a15 <= 8) && !(a15 == 6)) && a21 == 10)) || 8 < \old(a15)) || (((a15 <= 8 && a21 <= 6) && !(a15 == 6)) && 49 + a12 <= 0)) || \old(a15) < 8 RESULT: Ultimate proved your program to be correct! [2023-04-01 22:54:43,660 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...