/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:55:10,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:55:10,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:55:10,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:55:10,499 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 22:55:10,524 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:55:10,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:55:10,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:55:10,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:55:10,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:55:10,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:55:10,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:55:10,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:55:10,527 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:55:10,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:55:10,528 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:55:10,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:55:10,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:55:10,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:55:10,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:55:10,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:55:10,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:55:10,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:55:10,530 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:55:10,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:55:10,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:55:10,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:55:10,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:55:10,765 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:55:10,765 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:55:10,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label45.c [2023-04-01 22:55:11,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:55:11,979 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:55:11,980 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label45.c [2023-04-01 22:55:11,998 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b2d19c3/72e5c25d233f4071a89e8a5b61dc2bd9/FLAG4a44f540e [2023-04-01 22:55:12,008 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b2d19c3/72e5c25d233f4071a89e8a5b61dc2bd9 [2023-04-01 22:55:12,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:55:12,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:55:12,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:55:12,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:55:12,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:55:12,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28554a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12, skipping insertion in model container [2023-04-01 22:55:12,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:55:12,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:55:12,195 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_label45.c[3828,3841] [2023-04-01 22:55:12,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:55:12,353 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:55:12,372 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_label45.c[3828,3841] [2023-04-01 22:55:12,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:55:12,456 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:55:12,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12 WrapperNode [2023-04-01 22:55:12,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:55:12,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:55:12,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:55:12,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:55:12,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:55:12,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:55:12,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:55:12,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:55:12,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (1/1) ... [2023-04-01 22:55:12,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:55:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:12,557 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 22:55:12,563 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 22:55:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:55:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:55:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:55:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:55:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:55:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:55:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:55:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:55:12,646 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:55:12,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:55:13,592 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:55:13,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:55:13,603 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:55:13,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:55:13 BoogieIcfgContainer [2023-04-01 22:55:13,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:55:13,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:55:13,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:55:13,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:55:13,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:55:12" (1/3) ... [2023-04-01 22:55:13,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d692eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:55:13, skipping insertion in model container [2023-04-01 22:55:13,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:55:12" (2/3) ... [2023-04-01 22:55:13,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d692eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:55:13, skipping insertion in model container [2023-04-01 22:55:13,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:55:13" (3/3) ... [2023-04-01 22:55:13,612 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45.c [2023-04-01 22:55:13,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:55:13,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:55:13,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:55:13,679 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;@53d5c6d0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:55:13,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:55:13,683 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 22:55:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-01 22:55:13,688 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:13,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:13,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:13,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:13,692 INFO L85 PathProgramCache]: Analyzing trace with hash 430529785, now seen corresponding path program 1 times [2023-04-01 22:55:13,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263398418] [2023-04-01 22:55:13,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:13,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:14,106 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 22:55:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263398418] [2023-04-01 22:55:14,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263398418] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:14,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:55:14,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:55:14,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184348967] [2023-04-01 22:55:14,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:14,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:55:14,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:14,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:55:14,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:55:14,132 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 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 22:55:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:15,161 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2023-04-01 22:55:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:55:15,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 42 [2023-04-01 22:55:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:15,177 INFO L225 Difference]: With dead ends: 698 [2023-04-01 22:55:15,177 INFO L226 Difference]: Without dead ends: 380 [2023-04-01 22:55:15,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:55:15,191 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 685 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:15,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 21 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:55:15,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-04-01 22:55:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2023-04-01 22:55:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 366 states have (on average 1.6092896174863387) internal successors, (589), 368 states have internal predecessors, (589), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 22:55:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 600 transitions. [2023-04-01 22:55:15,239 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 600 transitions. Word has length 42 [2023-04-01 22:55:15,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:15,239 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 600 transitions. [2023-04-01 22:55:15,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 22:55:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 600 transitions. [2023-04-01 22:55:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-01 22:55:15,242 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:15,242 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:15,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:55:15,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:15,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1328668376, now seen corresponding path program 1 times [2023-04-01 22:55:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:15,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526009954] [2023-04-01 22:55:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:15,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:15,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526009954] [2023-04-01 22:55:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526009954] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:15,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:55:15,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:55:15,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608580636] [2023-04-01 22:55:15,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:15,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:55:15,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:15,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:55:15,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:55:15,566 INFO L87 Difference]: Start difference. First operand 376 states and 600 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 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 22:55:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:16,554 INFO L93 Difference]: Finished difference Result 1138 states and 1856 transitions. [2023-04-01 22:55:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:55:16,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 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 116 [2023-04-01 22:55:16,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:16,557 INFO L225 Difference]: With dead ends: 1138 [2023-04-01 22:55:16,557 INFO L226 Difference]: Without dead ends: 768 [2023-04-01 22:55:16,558 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 22:55:16,559 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 960 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:16,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 55 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:55:16,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2023-04-01 22:55:16,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 752. [2023-04-01 22:55:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 732 states have (on average 1.4863387978142077) internal successors, (1088), 740 states have internal predecessors, (1088), 6 states have call successors, (6), 6 states have call predecessors, (6), 13 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-01 22:55:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1123 transitions. [2023-04-01 22:55:16,592 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1123 transitions. Word has length 116 [2023-04-01 22:55:16,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:16,592 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1123 transitions. [2023-04-01 22:55:16,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 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 22:55:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1123 transitions. [2023-04-01 22:55:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-01 22:55:16,602 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:16,603 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:16,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 22:55:16,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:16,603 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 473275892, now seen corresponding path program 1 times [2023-04-01 22:55:16,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:16,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738554674] [2023-04-01 22:55:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:16,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738554674] [2023-04-01 22:55:16,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738554674] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:16,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:55:16,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:55:16,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756312701] [2023-04-01 22:55:16,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:16,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:55:16,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:16,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:55:16,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:55:16,876 INFO L87 Difference]: Start difference. First operand 752 states and 1123 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 22:55:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:17,817 INFO L93 Difference]: Finished difference Result 1722 states and 2582 transitions. [2023-04-01 22:55:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:55:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 118 [2023-04-01 22:55:17,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:17,821 INFO L225 Difference]: With dead ends: 1722 [2023-04-01 22:55:17,821 INFO L226 Difference]: Without dead ends: 976 [2023-04-01 22:55:17,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:55:17,823 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 964 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:17,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 51 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:55:17,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2023-04-01 22:55:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 944. [2023-04-01 22:55:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 917 states have (on average 1.4143947655398037) internal successors, (1297), 930 states have internal predecessors, (1297), 7 states have call successors, (7), 7 states have call predecessors, (7), 19 states have return successors, (52), 6 states have call predecessors, (52), 6 states have call successors, (52) [2023-04-01 22:55:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1356 transitions. [2023-04-01 22:55:17,851 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1356 transitions. Word has length 118 [2023-04-01 22:55:17,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:17,851 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1356 transitions. [2023-04-01 22:55:17,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 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 22:55:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1356 transitions. [2023-04-01 22:55:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-01 22:55:17,852 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:17,853 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:17,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:55:17,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:17,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:17,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1342236140, now seen corresponding path program 1 times [2023-04-01 22:55:17,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:17,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734944395] [2023-04-01 22:55:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:17,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:18,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:18,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734944395] [2023-04-01 22:55:18,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734944395] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:18,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513255095] [2023-04-01 22:55:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:18,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:18,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:18,035 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 22:55:18,056 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 22:55:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:18,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:55:18,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:18,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:55:18,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513255095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:18,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:55:18,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:55:18,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919572210] [2023-04-01 22:55:18,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:18,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:55:18,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:18,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:55:18,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:55:18,254 INFO L87 Difference]: Start difference. First operand 944 states and 1356 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:55:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:18,800 INFO L93 Difference]: Finished difference Result 1882 states and 2710 transitions. [2023-04-01 22:55:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:55:18,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 154 [2023-04-01 22:55:18,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:18,805 INFO L225 Difference]: With dead ends: 1882 [2023-04-01 22:55:18,805 INFO L226 Difference]: Without dead ends: 944 [2023-04-01 22:55:18,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:55:18,807 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 156 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:18,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 279 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:55:18,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2023-04-01 22:55:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2023-04-01 22:55:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 917 states have (on average 1.2955288985823337) internal successors, (1188), 930 states have internal predecessors, (1188), 7 states have call successors, (7), 7 states have call predecessors, (7), 19 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2023-04-01 22:55:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1239 transitions. [2023-04-01 22:55:18,827 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1239 transitions. Word has length 154 [2023-04-01 22:55:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:18,827 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1239 transitions. [2023-04-01 22:55:18,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:55:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1239 transitions. [2023-04-01 22:55:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-01 22:55:18,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:18,829 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:18,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 22:55:19,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:19,037 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:19,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1191363808, now seen corresponding path program 1 times [2023-04-01 22:55:19,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:19,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513017358] [2023-04-01 22:55:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-01 22:55:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:55:19,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:19,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513017358] [2023-04-01 22:55:19,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513017358] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:19,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040966972] [2023-04-01 22:55:19,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:19,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:19,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:19,370 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 22:55:19,400 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 22:55:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:19,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:55:19,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:19,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:55:19,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040966972] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:19,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:19,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-04-01 22:55:19,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109265471] [2023-04-01 22:55:19,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:19,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:55:19,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:19,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:55:19,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:55:19,816 INFO L87 Difference]: Start difference. First operand 944 states and 1239 transitions. Second operand has 13 states, 13 states have (on average 26.692307692307693) internal successors, (347), 11 states have internal predecessors, (347), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:55:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:22,398 INFO L93 Difference]: Finished difference Result 4160 states and 5722 transitions. [2023-04-01 22:55:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-01 22:55:22,399 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 26.692307692307693) internal successors, (347), 11 states have internal predecessors, (347), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 201 [2023-04-01 22:55:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:22,409 INFO L225 Difference]: With dead ends: 4160 [2023-04-01 22:55:22,409 INFO L226 Difference]: Without dead ends: 3032 [2023-04-01 22:55:22,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2023-04-01 22:55:22,413 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1402 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:22,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 151 Invalid, 4944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 4260 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-01 22:55:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2023-04-01 22:55:22,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2058. [2023-04-01 22:55:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2008 states have (on average 1.2375498007968126) internal successors, (2485), 2032 states have internal predecessors, (2485), 13 states have call successors, (13), 13 states have call predecessors, (13), 36 states have return successors, (113), 12 states have call predecessors, (113), 12 states have call successors, (113) [2023-04-01 22:55:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2611 transitions. [2023-04-01 22:55:22,476 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2611 transitions. Word has length 201 [2023-04-01 22:55:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:22,476 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 2611 transitions. [2023-04-01 22:55:22,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 26.692307692307693) internal successors, (347), 11 states have internal predecessors, (347), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:55:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2611 transitions. [2023-04-01 22:55:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-04-01 22:55:22,479 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:22,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:22,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 22:55:22,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:22,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:22,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:22,685 INFO L85 PathProgramCache]: Analyzing trace with hash 670857802, now seen corresponding path program 1 times [2023-04-01 22:55:22,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:22,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528857030] [2023-04-01 22:55:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:22,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-01 22:55:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 159 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:55:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:23,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528857030] [2023-04-01 22:55:23,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528857030] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:23,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350784995] [2023-04-01 22:55:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:23,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:23,989 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 22:55:24,020 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 22:55:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:24,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:55:24,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 22:55:24,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:55:24,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350784995] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:24,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:55:24,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:55:24,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575859178] [2023-04-01 22:55:24,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:24,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:55:24,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:24,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:55:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:55:24,428 INFO L87 Difference]: Start difference. First operand 2058 states and 2611 transitions. Second operand has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 22:55:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:25,067 INFO L93 Difference]: Finished difference Result 3754 states and 4815 transitions. [2023-04-01 22:55:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:55:25,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 273 [2023-04-01 22:55:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:25,073 INFO L225 Difference]: With dead ends: 3754 [2023-04-01 22:55:25,073 INFO L226 Difference]: Without dead ends: 2070 [2023-04-01 22:55:25,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:55:25,077 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 340 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:25,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 54 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:55:25,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2023-04-01 22:55:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1874. [2023-04-01 22:55:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1827 states have (on average 1.2457580733442803) internal successors, (2276), 1850 states have internal predecessors, (2276), 12 states have call successors, (12), 12 states have call predecessors, (12), 34 states have return successors, (98), 11 states have call predecessors, (98), 11 states have call successors, (98) [2023-04-01 22:55:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2386 transitions. [2023-04-01 22:55:25,119 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2386 transitions. Word has length 273 [2023-04-01 22:55:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:25,119 INFO L495 AbstractCegarLoop]: Abstraction has 1874 states and 2386 transitions. [2023-04-01 22:55:25,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 22:55:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2386 transitions. [2023-04-01 22:55:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-04-01 22:55:25,123 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:25,123 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:25,130 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 22:55:25,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:25,330 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:25,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2128437226, now seen corresponding path program 1 times [2023-04-01 22:55:25,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:25,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957754931] [2023-04-01 22:55:25,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-01 22:55:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:55:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 179 proven. 111 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-01 22:55:26,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:26,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957754931] [2023-04-01 22:55:26,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957754931] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:26,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114970345] [2023-04-01 22:55:26,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:26,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:26,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:26,127 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 22:55:26,164 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 22:55:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:26,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:55:26,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 22:55:26,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:55:26,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114970345] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:55:26,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:55:26,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-01 22:55:26,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342347399] [2023-04-01 22:55:26,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:55:26,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:55:26,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:26,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:55:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:55:26,509 INFO L87 Difference]: Start difference. First operand 1874 states and 2386 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 4 states have internal predecessors, (193), 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 22:55:27,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:27,224 INFO L93 Difference]: Finished difference Result 3766 states and 4812 transitions. [2023-04-01 22:55:27,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:55:27,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 4 states have internal predecessors, (193), 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 346 [2023-04-01 22:55:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:27,231 INFO L225 Difference]: With dead ends: 3766 [2023-04-01 22:55:27,231 INFO L226 Difference]: Without dead ends: 2082 [2023-04-01 22:55:27,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 350 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 22:55:27,235 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 423 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:27,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 54 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 22:55:27,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2023-04-01 22:55:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1874. [2023-04-01 22:55:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1827 states have (on average 1.2424740010946909) internal successors, (2270), 1850 states have internal predecessors, (2270), 12 states have call successors, (12), 12 states have call predecessors, (12), 34 states have return successors, (97), 11 states have call predecessors, (97), 11 states have call successors, (97) [2023-04-01 22:55:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2379 transitions. [2023-04-01 22:55:27,308 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2379 transitions. Word has length 346 [2023-04-01 22:55:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:27,308 INFO L495 AbstractCegarLoop]: Abstraction has 1874 states and 2379 transitions. [2023-04-01 22:55:27,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 4 states have internal predecessors, (193), 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 22:55:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2379 transitions. [2023-04-01 22:55:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-04-01 22:55:27,312 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:27,312 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:27,327 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 22:55:27,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:27,518 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:27,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:27,519 INFO L85 PathProgramCache]: Analyzing trace with hash 279478911, now seen corresponding path program 1 times [2023-04-01 22:55:27,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:27,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546080061] [2023-04-01 22:55:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-01 22:55:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-01 22:55:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 139 proven. 239 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 22:55:28,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:28,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546080061] [2023-04-01 22:55:28,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546080061] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:28,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183537778] [2023-04-01 22:55:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:28,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:28,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:28,312 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 22:55:28,348 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 22:55:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:28,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-01 22:55:28,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 22:55:29,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 110 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 22:55:31,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183537778] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:31,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:31,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2023-04-01 22:55:31,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789134184] [2023-04-01 22:55:31,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:31,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 22:55:31,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:31,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 22:55:31,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2023-04-01 22:55:31,454 INFO L87 Difference]: Start difference. First operand 1874 states and 2379 transitions. Second operand has 22 states, 22 states have (on average 36.95454545454545) internal successors, (813), 21 states have internal predecessors, (813), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:55:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:35,058 INFO L93 Difference]: Finished difference Result 5353 states and 6989 transitions. [2023-04-01 22:55:35,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-01 22:55:35,059 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 36.95454545454545) internal successors, (813), 21 states have internal predecessors, (813), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) Word has length 357 [2023-04-01 22:55:35,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:35,067 INFO L225 Difference]: With dead ends: 5353 [2023-04-01 22:55:35,067 INFO L226 Difference]: Without dead ends: 3042 [2023-04-01 22:55:35,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 736 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2023-04-01 22:55:35,072 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3159 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 3780 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 4621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 3780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:35,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3165 Valid, 155 Invalid, 4621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 3780 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-01 22:55:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2023-04-01 22:55:35,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 2790. [2023-04-01 22:55:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2730 states have (on average 1.0864468864468864) internal successors, (2966), 2756 states have internal predecessors, (2966), 17 states have call successors, (17), 17 states have call predecessors, (17), 42 states have return successors, (139), 16 states have call predecessors, (139), 16 states have call successors, (139) [2023-04-01 22:55:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3122 transitions. [2023-04-01 22:55:35,133 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3122 transitions. Word has length 357 [2023-04-01 22:55:35,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:35,134 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3122 transitions. [2023-04-01 22:55:35,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 36.95454545454545) internal successors, (813), 21 states have internal predecessors, (813), 7 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2023-04-01 22:55:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3122 transitions. [2023-04-01 22:55:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2023-04-01 22:55:35,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:35,139 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:35,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-01 22:55:35,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:35,344 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:35,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1966828311, now seen corresponding path program 1 times [2023-04-01 22:55:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:35,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815723495] [2023-04-01 22:55:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:35,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-01 22:55:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-01 22:55:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-04-01 22:55:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 221 proven. 148 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-04-01 22:55:35,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:35,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815723495] [2023-04-01 22:55:35,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815723495] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:35,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417456020] [2023-04-01 22:55:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:35,637 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 22:55:35,656 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 22:55:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:35,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:55:35,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 512 proven. 2 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-01 22:55:35,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 222 proven. 150 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-01 22:55:36,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417456020] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:36,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:55:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677729077] [2023-04-01 22:55:36,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:36,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:55:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:36,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:55:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:55:36,018 INFO L87 Difference]: Start difference. First operand 2790 states and 3122 transitions. Second operand has 12 states, 12 states have (on average 39.083333333333336) internal successors, (469), 10 states have internal predecessors, (469), 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 22:55:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:37,339 INFO L93 Difference]: Finished difference Result 8518 states and 9685 transitions. [2023-04-01 22:55:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-01 22:55:37,339 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 39.083333333333336) internal successors, (469), 10 states have internal predecessors, (469), 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 458 [2023-04-01 22:55:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:37,353 INFO L225 Difference]: With dead ends: 8518 [2023-04-01 22:55:37,353 INFO L226 Difference]: Without dead ends: 5916 [2023-04-01 22:55:37,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 933 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2023-04-01 22:55:37,358 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1669 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:37,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 79 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:55:37,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2023-04-01 22:55:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5542. [2023-04-01 22:55:37,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 5441 states have (on average 1.0725969490902407) internal successors, (5836), 5478 states have internal predecessors, (5836), 32 states have call successors, (32), 32 states have call predecessors, (32), 68 states have return successors, (310), 31 states have call predecessors, (310), 31 states have call successors, (310) [2023-04-01 22:55:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 6178 transitions. [2023-04-01 22:55:37,448 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 6178 transitions. Word has length 458 [2023-04-01 22:55:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:37,448 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 6178 transitions. [2023-04-01 22:55:37,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 39.083333333333336) internal successors, (469), 10 states have internal predecessors, (469), 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 22:55:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 6178 transitions. [2023-04-01 22:55:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2023-04-01 22:55:37,458 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:37,458 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:37,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:55:37,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:37,664 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:37,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash -278029446, now seen corresponding path program 1 times [2023-04-01 22:55:37,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:37,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811701118] [2023-04-01 22:55:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:37,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:55:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:55:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:55:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-04-01 22:55:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 334 proven. 565 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2023-04-01 22:55:38,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:38,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811701118] [2023-04-01 22:55:38,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811701118] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:38,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163849424] [2023-04-01 22:55:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:38,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:38,748 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 22:55:38,750 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 22:55:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:38,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:55:38,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 924 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-04-01 22:55:39,032 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 522 proven. 112 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-04-01 22:55:39,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163849424] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:39,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:39,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 12 [2023-04-01 22:55:39,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325102189] [2023-04-01 22:55:39,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:39,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:55:39,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:39,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:55:39,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:55:39,609 INFO L87 Difference]: Start difference. First operand 5542 states and 6178 transitions. Second operand has 12 states, 12 states have (on average 51.916666666666664) internal successors, (623), 10 states have internal predecessors, (623), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:55:40,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:40,988 INFO L93 Difference]: Finished difference Result 9806 states and 10889 transitions. [2023-04-01 22:55:40,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:55:40,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 51.916666666666664) internal successors, (623), 10 states have internal predecessors, (623), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 654 [2023-04-01 22:55:40,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:40,998 INFO L225 Difference]: With dead ends: 9806 [2023-04-01 22:55:40,998 INFO L226 Difference]: Without dead ends: 4446 [2023-04-01 22:55:41,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1331 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2023-04-01 22:55:41,004 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2462 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:41,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 54 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:55:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2023-04-01 22:55:41,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 3352. [2023-04-01 22:55:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 3278 states have (on average 1.0500305064063453) internal successors, (3442), 3312 states have internal predecessors, (3442), 20 states have call successors, (20), 20 states have call predecessors, (20), 53 states have return successors, (149), 19 states have call predecessors, (149), 19 states have call successors, (149) [2023-04-01 22:55:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 3611 transitions. [2023-04-01 22:55:41,066 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 3611 transitions. Word has length 654 [2023-04-01 22:55:41,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:41,067 INFO L495 AbstractCegarLoop]: Abstraction has 3352 states and 3611 transitions. [2023-04-01 22:55:41,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 51.916666666666664) internal successors, (623), 10 states have internal predecessors, (623), 5 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-01 22:55:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 3611 transitions. [2023-04-01 22:55:41,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-04-01 22:55:41,079 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:41,079 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:41,084 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 22:55:41,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:41,284 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:41,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:41,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1672222847, now seen corresponding path program 1 times [2023-04-01 22:55:41,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:41,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768632593] [2023-04-01 22:55:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:55:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:55:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:55:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-04-01 22:55:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 571 proven. 126 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-04-01 22:55:42,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:42,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768632593] [2023-04-01 22:55:42,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768632593] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:42,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555809390] [2023-04-01 22:55:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:42,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:42,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:42,406 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 22:55:42,409 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 22:55:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:42,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 14 conjunts are in the unsatisfiable core [2023-04-01 22:55:42,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 981 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-04-01 22:55:43,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 572 proven. 119 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-04-01 22:55:43,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555809390] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:43,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:43,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 13 [2023-04-01 22:55:43,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042841895] [2023-04-01 22:55:43,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:43,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 22:55:43,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:43,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 22:55:43,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:55:43,998 INFO L87 Difference]: Start difference. First operand 3352 states and 3611 transitions. Second operand has 13 states, 13 states have (on average 50.38461538461539) internal successors, (655), 11 states have internal predecessors, (655), 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 22:55:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:45,890 INFO L93 Difference]: Finished difference Result 6888 states and 7431 transitions. [2023-04-01 22:55:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-01 22:55:45,890 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 50.38461538461539) internal successors, (655), 11 states have internal predecessors, (655), 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 721 [2023-04-01 22:55:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:45,904 INFO L225 Difference]: With dead ends: 6888 [2023-04-01 22:55:45,904 INFO L226 Difference]: Without dead ends: 3724 [2023-04-01 22:55:45,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1504 GetRequests, 1470 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=306, Invalid=954, Unknown=0, NotChecked=0, Total=1260 [2023-04-01 22:55:45,908 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1680 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:45,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 58 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 22:55:45,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2023-04-01 22:55:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3540. [2023-04-01 22:55:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 3461 states have (on average 1.0427622074544929) internal successors, (3609), 3498 states have internal predecessors, (3609), 21 states have call successors, (21), 21 states have call predecessors, (21), 57 states have return successors, (145), 20 states have call predecessors, (145), 20 states have call successors, (145) [2023-04-01 22:55:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 3775 transitions. [2023-04-01 22:55:45,978 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 3775 transitions. Word has length 721 [2023-04-01 22:55:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:45,979 INFO L495 AbstractCegarLoop]: Abstraction has 3540 states and 3775 transitions. [2023-04-01 22:55:45,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.38461538461539) internal successors, (655), 11 states have internal predecessors, (655), 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 22:55:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 3775 transitions. [2023-04-01 22:55:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2023-04-01 22:55:45,985 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:45,985 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:55:45,997 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 22:55:46,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 22:55:46,192 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:46,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:46,192 INFO L85 PathProgramCache]: Analyzing trace with hash 332928186, now seen corresponding path program 1 times [2023-04-01 22:55:46,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:46,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625241998] [2023-04-01 22:55:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:55:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:55:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-04-01 22:55:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2023-04-01 22:55:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2023-04-01 22:55:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 627 proven. 123 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2023-04-01 22:55:47,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:47,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625241998] [2023-04-01 22:55:47,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625241998] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:47,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202723689] [2023-04-01 22:55:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:47,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:47,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:47,235 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 22:55:47,236 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 22:55:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:47,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 22:55:47,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 1108 proven. 2 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-04-01 22:55:47,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 637 proven. 112 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2023-04-01 22:55:49,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202723689] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:49,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:49,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2023-04-01 22:55:49,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420523068] [2023-04-01 22:55:49,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:49,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:55:49,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:55:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:55:49,218 INFO L87 Difference]: Start difference. First operand 3540 states and 3775 transitions. Second operand has 16 states, 16 states have (on average 39.4375) internal successors, (631), 14 states have internal predecessors, (631), 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 22:55:52,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:52,235 INFO L93 Difference]: Finished difference Result 6845 states and 7376 transitions. [2023-04-01 22:55:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-01 22:55:52,236 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 39.4375) internal successors, (631), 14 states have internal predecessors, (631), 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 727 [2023-04-01 22:55:52,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:52,251 INFO L225 Difference]: With dead ends: 6845 [2023-04-01 22:55:52,252 INFO L226 Difference]: Without dead ends: 3427 [2023-04-01 22:55:52,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1481 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=671, Invalid=2191, Unknown=0, NotChecked=0, Total=2862 [2023-04-01 22:55:52,257 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2583 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2586 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:52,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2586 Valid, 112 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2428 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 22:55:52,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2023-04-01 22:55:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3158. [2023-04-01 22:55:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 3092 states have (on average 1.0346054333764554) internal successors, (3199), 3120 states have internal predecessors, (3199), 19 states have call successors, (19), 19 states have call predecessors, (19), 46 states have return successors, (112), 18 states have call predecessors, (112), 18 states have call successors, (112) [2023-04-01 22:55:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 3330 transitions. [2023-04-01 22:55:52,306 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 3330 transitions. Word has length 727 [2023-04-01 22:55:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:52,307 INFO L495 AbstractCegarLoop]: Abstraction has 3158 states and 3330 transitions. [2023-04-01 22:55:52,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 39.4375) internal successors, (631), 14 states have internal predecessors, (631), 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 22:55:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 3330 transitions. [2023-04-01 22:55:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2023-04-01 22:55:52,312 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:52,313 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:52,324 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 22:55:52,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:52,519 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:52,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:52,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1737311437, now seen corresponding path program 1 times [2023-04-01 22:55:52,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:52,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744968811] [2023-04-01 22:55:52,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:52,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:55:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:55:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:55:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-04-01 22:55:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-04-01 22:55:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 743 proven. 17 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2023-04-01 22:55:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744968811] [2023-04-01 22:55:53,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744968811] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94982262] [2023-04-01 22:55:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:53,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:53,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:53,502 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 22:55:53,517 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 22:55:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:53,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:55:53,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 1194 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-04-01 22:55:53,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:55:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1709 backedges. 466 proven. 150 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2023-04-01 22:55:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94982262] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:55:53,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:55:53,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-04-01 22:55:53,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010606003] [2023-04-01 22:55:53,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:55:53,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 22:55:53,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:55:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 22:55:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-01 22:55:53,988 INFO L87 Difference]: Start difference. First operand 3158 states and 3330 transitions. Second operand has 14 states, 14 states have (on average 45.42857142857143) internal successors, (636), 12 states have internal predecessors, (636), 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 22:55:56,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:55:56,585 INFO L93 Difference]: Finished difference Result 6498 states and 6880 transitions. [2023-04-01 22:55:56,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-01 22:55:56,586 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 45.42857142857143) internal successors, (636), 12 states have internal predecessors, (636), 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 752 [2023-04-01 22:55:56,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:55:56,592 INFO L225 Difference]: With dead ends: 6498 [2023-04-01 22:55:56,593 INFO L226 Difference]: Without dead ends: 3712 [2023-04-01 22:55:56,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1593 GetRequests, 1539 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=483, Invalid=2379, Unknown=0, NotChecked=0, Total=2862 [2023-04-01 22:55:56,596 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 5265 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 3262 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 3460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 3262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:55:56,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 236 Invalid, 3460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 3262 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 22:55:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2023-04-01 22:55:56,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3704. [2023-04-01 22:55:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3704 states, 3632 states have (on average 1.026431718061674) internal successors, (3728), 3660 states have internal predecessors, (3728), 22 states have call successors, (22), 22 states have call predecessors, (22), 49 states have return successors, (105), 21 states have call predecessors, (105), 21 states have call successors, (105) [2023-04-01 22:55:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3704 states and 3855 transitions. [2023-04-01 22:55:56,652 INFO L78 Accepts]: Start accepts. Automaton has 3704 states and 3855 transitions. Word has length 752 [2023-04-01 22:55:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:55:56,652 INFO L495 AbstractCegarLoop]: Abstraction has 3704 states and 3855 transitions. [2023-04-01 22:55:56,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 45.42857142857143) internal successors, (636), 12 states have internal predecessors, (636), 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 22:55:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3704 states and 3855 transitions. [2023-04-01 22:55:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2023-04-01 22:55:56,661 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:55:56,661 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:55:56,681 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 22:55:56,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 22:55:56,868 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:55:56,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:55:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1573287394, now seen corresponding path program 1 times [2023-04-01 22:55:56,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:55:56,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037037782] [2023-04-01 22:55:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:55:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:55:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:55:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:55:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:55:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-04-01 22:55:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2023-04-01 22:55:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2023-04-01 22:55:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2023-04-01 22:55:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-04-01 22:55:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3016 backedges. 990 proven. 113 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2023-04-01 22:55:59,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:55:59,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037037782] [2023-04-01 22:55:59,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037037782] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:55:59,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861595442] [2023-04-01 22:55:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:55:59,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:55:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:55:59,097 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:55:59,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-01 22:55:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:55:59,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:55:59,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:55:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3016 backedges. 2043 proven. 2 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2023-04-01 22:55:59,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:56:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3016 backedges. 661 proven. 445 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2023-04-01 22:56:00,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861595442] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:56:00,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:56:00,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2023-04-01 22:56:00,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113949297] [2023-04-01 22:56:00,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:56:00,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 22:56:00,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:56:00,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 22:56:00,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-04-01 22:56:00,789 INFO L87 Difference]: Start difference. First operand 3704 states and 3855 transitions. Second operand has 16 states, 16 states have (on average 53.6875) internal successors, (859), 14 states have internal predecessors, (859), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-04-01 22:56:05,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:56:05,098 INFO L93 Difference]: Finished difference Result 7592 states and 7917 transitions. [2023-04-01 22:56:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-04-01 22:56:05,099 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 53.6875) internal successors, (859), 14 states have internal predecessors, (859), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 1001 [2023-04-01 22:56:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:56:05,105 INFO L225 Difference]: With dead ends: 7592 [2023-04-01 22:56:05,105 INFO L226 Difference]: Without dead ends: 4260 [2023-04-01 22:56:05,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2112 GetRequests, 2052 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=546, Invalid=2994, Unknown=0, NotChecked=0, Total=3540 [2023-04-01 22:56:05,109 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 5407 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 7468 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5407 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 7701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 7468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:56:05,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5407 Valid, 235 Invalid, 7701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 7468 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-04-01 22:56:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4260 states. [2023-04-01 22:56:05,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4260 to 3888. [2023-04-01 22:56:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 3813 states have (on average 1.020718594282717) internal successors, (3892), 3842 states have internal predecessors, (3892), 23 states have call successors, (23), 23 states have call predecessors, (23), 51 states have return successors, (94), 22 states have call predecessors, (94), 22 states have call successors, (94) [2023-04-01 22:56:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 4009 transitions. [2023-04-01 22:56:05,169 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 4009 transitions. Word has length 1001 [2023-04-01 22:56:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:56:05,169 INFO L495 AbstractCegarLoop]: Abstraction has 3888 states and 4009 transitions. [2023-04-01 22:56:05,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 53.6875) internal successors, (859), 14 states have internal predecessors, (859), 8 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2023-04-01 22:56:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4009 transitions. [2023-04-01 22:56:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2023-04-01 22:56:05,179 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:56:05,179 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:56:05,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-04-01 22:56:05,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-01 22:56:05,386 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:56:05,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:56:05,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1585367535, now seen corresponding path program 1 times [2023-04-01 22:56:05,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:56:05,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056635226] [2023-04-01 22:56:05,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:56:05,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:56:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:56:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:56:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:56:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:56:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:56:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-04-01 22:56:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2023-04-01 22:56:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2023-04-01 22:56:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2023-04-01 22:56:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1171 proven. 643 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-04-01 22:56:07,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:56:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056635226] [2023-04-01 22:56:07,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056635226] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:56:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365168067] [2023-04-01 22:56:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:56:07,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:56:07,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:56:07,395 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:56:07,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-04-01 22:56:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:07,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 22:56:07,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:56:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 2153 proven. 6 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2023-04-01 22:56:07,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:56:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1444 proven. 359 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2023-04-01 22:56:08,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365168067] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:56:08,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:56:08,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 8] total 25 [2023-04-01 22:56:08,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617339940] [2023-04-01 22:56:08,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:56:08,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-04-01 22:56:08,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:56:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-04-01 22:56:08,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2023-04-01 22:56:08,737 INFO L87 Difference]: Start difference. First operand 3888 states and 4009 transitions. Second operand has 25 states, 25 states have (on average 44.24) internal successors, (1106), 23 states have internal predecessors, (1106), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2023-04-01 22:56:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:56:14,073 INFO L93 Difference]: Finished difference Result 7820 states and 8110 transitions. [2023-04-01 22:56:14,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-04-01 22:56:14,089 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 44.24) internal successors, (1106), 23 states have internal predecessors, (1106), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 1056 [2023-04-01 22:56:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:56:14,097 INFO L225 Difference]: With dead ends: 7820 [2023-04-01 22:56:14,097 INFO L226 Difference]: Without dead ends: 4122 [2023-04-01 22:56:14,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2255 GetRequests, 2154 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3394 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1606, Invalid=8696, Unknown=0, NotChecked=0, Total=10302 [2023-04-01 22:56:14,106 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 8284 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 5826 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8284 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 6238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 5826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:56:14,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8284 Valid, 302 Invalid, 6238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 5826 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-01 22:56:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4122 states. [2023-04-01 22:56:14,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4122 to 3892. [2023-04-01 22:56:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 3815 states have (on average 1.017300131061599) internal successors, (3881), 3846 states have internal predecessors, (3881), 23 states have call successors, (23), 23 states have call predecessors, (23), 53 states have return successors, (81), 22 states have call predecessors, (81), 22 states have call successors, (81) [2023-04-01 22:56:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 3985 transitions. [2023-04-01 22:56:14,191 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 3985 transitions. Word has length 1056 [2023-04-01 22:56:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:56:14,191 INFO L495 AbstractCegarLoop]: Abstraction has 3892 states and 3985 transitions. [2023-04-01 22:56:14,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 44.24) internal successors, (1106), 23 states have internal predecessors, (1106), 10 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2023-04-01 22:56:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 3985 transitions. [2023-04-01 22:56:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1691 [2023-04-01 22:56:14,210 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:56:14,210 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2023-04-01 22:56:14,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-04-01 22:56:14,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-01 22:56:14,421 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:56:14,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:56:14,421 INFO L85 PathProgramCache]: Analyzing trace with hash 842060806, now seen corresponding path program 1 times [2023-04-01 22:56:14,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:56:14,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553598657] [2023-04-01 22:56:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:56:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:56:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:56:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:56:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 22:56:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-01 22:56:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-04-01 22:56:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-04-01 22:56:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2023-04-01 22:56:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-04-01 22:56:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-04-01 22:56:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-04-01 22:56:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2023-04-01 22:56:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2023-04-01 22:56:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2023-04-01 22:56:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2023-04-01 22:56:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 4680 proven. 217 refuted. 0 times theorem prover too weak. 3928 trivial. 0 not checked. [2023-04-01 22:56:19,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:56:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553598657] [2023-04-01 22:56:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553598657] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:56:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290011146] [2023-04-01 22:56:19,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:56:19,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:56:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:56:19,659 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 22:56:19,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-04-01 22:56:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:56:19,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 18 conjunts are in the unsatisfiable core [2023-04-01 22:56:20,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:56:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 2841 proven. 82 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2023-04-01 22:56:20,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:56:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 2915 proven. 121 refuted. 0 times theorem prover too weak. 5789 trivial. 0 not checked. [2023-04-01 22:56:21,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290011146] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:56:21,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:56:21,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 9] total 29 [2023-04-01 22:56:21,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173793608] [2023-04-01 22:56:21,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:56:21,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-04-01 22:56:21,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:56:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-04-01 22:56:21,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2023-04-01 22:56:21,546 INFO L87 Difference]: Start difference. First operand 3892 states and 3985 transitions. Second operand has 29 states, 29 states have (on average 30.517241379310345) internal successors, (885), 27 states have internal predecessors, (885), 14 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2023-04-01 22:56:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:56:31,510 INFO L93 Difference]: Finished difference Result 10377 states and 10657 transitions. [2023-04-01 22:56:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-04-01 22:56:31,510 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 30.517241379310345) internal successors, (885), 27 states have internal predecessors, (885), 14 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) Word has length 1690 [2023-04-01 22:56:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:56:31,512 INFO L225 Difference]: With dead ends: 10377 [2023-04-01 22:56:31,512 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:56:31,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3547 GetRequests, 3451 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2634 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1671, Invalid=7641, Unknown=0, NotChecked=0, Total=9312 [2023-04-01 22:56:31,526 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 14608 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 15414 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14608 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 15702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 15414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:56:31,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14608 Valid, 461 Invalid, 15702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 15414 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-01 22:56:31,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:56:31,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:56:31,527 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 22:56:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:56:31,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1690 [2023-04-01 22:56:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:56:31,527 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:56:31,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 30.517241379310345) internal successors, (885), 27 states have internal predecessors, (885), 14 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2023-04-01 22:56:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:56:31,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:56:31,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:56:31,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-04-01 22:56:31,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-04-01 22:56:31,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:56:38,342 WARN L223 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 394 DAG size of output: 367 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:56:45,512 WARN L223 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 394 DAG size of output: 367 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-01 22:56:49,286 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:56:49,286 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point L898-1(line 898) no Hoare annotation was computed. [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:56:49,287 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (< ~a15~0 8))) (let ((.cse1 (<= (+ ~a12~0 43) 0)) (.cse9 (or (<= ~a15~0 6) (and .cse0 (not (= ~a21~0 ~a15~0))))) (.cse10 (< ~a12~0 81)) (.cse3 (= ~a21~0 8)) (.cse4 (= ~a15~0 9)) (.cse5 (<= 9 ~a15~0)) (.cse6 (not (= ~a15~0 10))) (.cse8 (< ~a12~0 600061)) (.cse7 (<= ~a21~0 7)) (.cse2 (= ~a24~0 1)) (.cse11 (= ~a15~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 (<= ~a12~0 10)) (not (= 7 |old(~a21~0)|)) (and .cse2 .cse5 .cse6 .cse7 (<= ~a12~0 95434) (< 95380 ~a12~0)) (and (<= 9 ~a21~0) (<= ~a21~0 9) .cse2 .cse5 (< 80 ~a12~0) .cse8 .cse6) (and .cse1 .cse9) (and .cse9 .cse10 (not (= ~a24~0 2))) (and .cse2 .cse8 .cse6 (= ~a21~0 10)) (and .cse3 (<= ~a12~0 72) .cse2 .cse4 (< 18 ~a12~0)) (and .cse2 .cse9) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse2 (= ~a21~0 9) .cse10 .cse11) (and .cse2 (let ((.cse12 (<= 81 ~a12~0))) (or (and .cse3 .cse4 .cse12) (and .cse5 (= 7 ~a21~0) .cse6 .cse12))) .cse8) (and .cse2 .cse8 .cse7 .cse11) (< 8 |old(~a15~0)|) (< |old(~a15~0)| 8) (and (<= ~a12~0 73282) .cse2 (<= ~a21~0 8) .cse11)))) [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point L890-3(lines 884 900) no Hoare annotation was computed. [2023-04-01 22:56:49,287 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 22:56:49,287 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse0 (< ~a15~0 8))) (let ((.cse1 (<= (+ ~a12~0 43) 0)) (.cse9 (or (<= ~a15~0 6) (and .cse0 (not (= ~a21~0 ~a15~0))))) (.cse10 (< ~a12~0 81)) (.cse3 (= ~a21~0 8)) (.cse4 (= ~a15~0 9)) (.cse5 (<= 9 ~a15~0)) (.cse6 (not (= ~a15~0 10))) (.cse8 (< ~a12~0 600061)) (.cse7 (<= ~a21~0 7)) (.cse2 (= ~a24~0 1)) (.cse11 (= ~a15~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 (<= ~a12~0 10)) (not (= 7 |old(~a21~0)|)) (and .cse2 .cse5 .cse6 .cse7 (<= ~a12~0 95434) (< 95380 ~a12~0)) (and (<= 9 ~a21~0) (<= ~a21~0 9) .cse2 .cse5 (< 80 ~a12~0) .cse8 .cse6) (and .cse1 .cse9) (and .cse9 .cse10 (not (= ~a24~0 2))) (and .cse2 .cse8 .cse6 (= ~a21~0 10)) (and .cse3 (<= ~a12~0 72) .cse2 .cse4 (< 18 ~a12~0)) (and .cse2 .cse9) (not (= |old(~a24~0)| 1)) (< 0 (+ 49 |old(~a12~0)|)) (and .cse2 (= ~a21~0 9) .cse10 .cse11) (and .cse2 (let ((.cse12 (<= 81 ~a12~0))) (or (and .cse3 .cse4 .cse12) (and .cse5 (= 7 ~a21~0) .cse6 .cse12))) .cse8) (and .cse2 .cse8 .cse7 .cse11) (< 8 |old(~a15~0)|) (< |old(~a15~0)| 8) (and (<= ~a12~0 73282) .cse2 (<= ~a21~0 8) .cse11)))) [2023-04-01 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:56:49,287 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 22:56:49,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,288 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-04-01 22:56:49,289 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-04-01 22:56:49,290 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,291 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-04-01 22:56:49,292 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-04-01 22:56:49,293 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-04-01 22:56:49,294 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-04-01 22:56:49,295 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,296 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,297 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,298 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 882) the Hoare annotation is: (let ((.cse15 (= 8 |old(~a21~0)|))) (let ((.cse11 (= ~a21~0 8)) (.cse23 (= |old(~a15~0)| |old(~a21~0)|)) (.cse22 (<= 8 |old(~a15~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a24~0 1)) (.cse16 (= ~a15~0 |old(~a15~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse20 (not (= 7 |old(~a21~0)|))) (.cse1 (= 10 |old(~a15~0)|)) (.cse2 (< |old(~a15~0)| 9)) (.cse13 (not .cse15)) (.cse25 (not (= 9 |old(~a15~0)|)))) (let ((.cse4 (< 7 |old(~a21~0)|)) (.cse12 (let ((.cse26 (< |old(~a12~0)| 81))) (and (or .cse20 .cse1 .cse2 .cse26) (or .cse13 .cse26 .cse25)))) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse0 (and .cse6 .cse7 .cse16 .cse8)) (.cse14 (= 7 ~a21~0)) (.cse10 (<= 600061 |old(~a12~0)|)) (.cse21 (< 0 (+ 43 |old(~a12~0)|))) (.cse18 (and (or .cse23 .cse22) (< 6 |old(~a15~0)|))) (.cse19 (and .cse6 .cse16 .cse8 (= ~a24~0 |old(~a24~0)|))) (.cse24 (and .cse11 .cse7 (= ~a15~0 9) .cse8)) (.cse9 (= ~a15~0 8)) (.cse3 (not (= |old(~a24~0)| 1))) (.cse17 (<= 81 |old(~a12~0)|))) (and (or (<= |old(~a12~0)| 95380) .cse0 .cse1 .cse2 .cse3 (< 95434 |old(~a12~0)|) .cse4) (or .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse3 .cse10 .cse4) (or (< 9 |old(~a21~0)|) .cse0 (<= |old(~a12~0)| 80) .cse1 .cse2 (< |old(~a21~0)| 9) .cse3 .cse10) (or .cse11 .cse12 .cse3 .cse10 .cse13) (or .cse12 .cse3 (and .cse7 (or .cse14 .cse15) .cse16 .cse8) .cse10) (or .cse17 .cse18 .cse19 (= 2 |old(~a24~0)|)) (or .cse5 (< |old(~a21~0)| 8) .cse3 (< 73282 |old(~a12~0)|) (and .cse7 .cse8 (<= 8 ~a21~0) (<= ~a21~0 8) .cse9) (<= 9 |old(~a21~0)|)) (or .cse0 .cse3 .cse18) (or .cse20 .cse21 (and .cse7 .cse14 .cse16 .cse8) .cse3 .cse22) (or (and .cse7 .cse16 .cse8 (= ~a21~0 10)) .cse23 (not (= 10 |old(~a21~0)|)) .cse3 .cse10) (or (< 72 |old(~a12~0)|) .cse3 .cse24 .cse13 .cse25 (<= |old(~a12~0)| 18)) (or .cse21 .cse18 .cse19) (or .cse3 .cse24 .cse13 (< 10 |old(~a12~0)|) .cse25) (or (and .cse7 (= ~a21~0 9) .cse8 .cse9) (not (= 9 |old(~a21~0)|)) .cse3 .cse17 (< 8 |old(~a15~0)|) (< |old(~a15~0)| 8)))))) [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:56:49,299 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:56:49,300 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 22:56:49,300 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:56:49,300 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:56:49,305 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:56:49,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:56:49,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:56:49 BoogieIcfgContainer [2023-04-01 22:56:49,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:56:49,343 INFO L158 Benchmark]: Toolchain (without parser) took 97332.96ms. Allocated memory was 232.8MB in the beginning and 842.0MB in the end (delta: 609.2MB). Free memory was 181.2MB in the beginning and 469.1MB in the end (delta: -287.8MB). Peak memory consumption was 517.5MB. Max. memory is 8.0GB. [2023-04-01 22:56:49,344 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:56:49,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.01ms. Allocated memory is still 232.8MB. Free memory was 181.2MB in the beginning and 148.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-04-01 22:56:49,344 INFO L158 Benchmark]: Boogie Preprocessor took 76.83ms. Allocated memory is still 232.8MB. Free memory was 148.2MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 22:56:49,344 INFO L158 Benchmark]: RCFGBuilder took 1071.32ms. Allocated memory is still 232.8MB. Free memory was 143.0MB in the beginning and 133.9MB in the end (delta: 9.1MB). Peak memory consumption was 51.0MB. Max. memory is 8.0GB. [2023-04-01 22:56:49,344 INFO L158 Benchmark]: TraceAbstraction took 95735.38ms. Allocated memory was 232.8MB in the beginning and 842.0MB in the end (delta: 609.2MB). Free memory was 133.3MB in the beginning and 469.1MB in the end (delta: -335.7MB). Peak memory consumption was 468.5MB. Max. memory is 8.0GB. [2023-04-01 22:56:49,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.01ms. Allocated memory is still 232.8MB. Free memory was 181.2MB in the beginning and 148.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.83ms. Allocated memory is still 232.8MB. Free memory was 148.2MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1071.32ms. Allocated memory is still 232.8MB. Free memory was 143.0MB in the beginning and 133.9MB in the end (delta: 9.1MB). Peak memory consumption was 51.0MB. Max. memory is 8.0GB. * TraceAbstraction took 95735.38ms. Allocated memory was 232.8MB in the beginning and 842.0MB in the end (delta: 609.2MB). Free memory was 133.3MB in the beginning and 469.1MB in the end (delta: -335.7MB). Peak memory consumption was 468.5MB. 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: 122]: 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: 95.6s, OverallIterations: 16, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 41.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50065 SdHoareTripleChecker+Valid, 28.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50047 mSDsluCounter, 2357 SdHoareTripleChecker+Invalid, 24.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1750 mSDsCounter, 4285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52134 IncrementalHoareTripleChecker+Invalid, 56419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4285 mSolverCounterUnsat, 607 mSDtfsCounter, 52134 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16940 GetRequests, 16349 SyntacticMatches, 9 SemanticMatches, 582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10253 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5542occurred in iteration=9, InterpolantAutomatonStates: 472, 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, 16 MinimizatonAttempts, 4213 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 249 PreInvPairs, 349 NumberOfFragments, 1038 HoareAnnotationTreeSize, 249 FomulaSimplifications, 2183156 FormulaSimplificationTreeSizeReduction, 13.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24630 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 30.1s InterpolantComputationTime, 17056 NumberOfCodeBlocks, 17056 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 24634 ConstructedInterpolants, 36 QuantifiedInterpolants, 77558 SizeOfPredicates, 26 NumberOfNonLiveVariables, 12526 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 39 InterpolantComputations, 6 PerfectInterpolantSequences, 64038/68310 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: ((((((((((((((((((a15 < 8 && a12 + 43 <= 0) && a24 == 1) || (((a21 == 8 && a24 == 1) && a15 == 9) && a12 <= 10)) || !(7 == \old(a21))) || (((((a24 == 1 && 9 <= a15) && !(a15 == 10)) && a21 <= 7) && a12 <= 95434) && 95380 < a12)) || ((((((9 <= a21 && a21 <= 9) && a24 == 1) && 9 <= a15) && 80 < a12) && a12 < 600061) && !(a15 == 10))) || (a12 + 43 <= 0 && (a15 <= 6 || (a15 < 8 && !(a21 == a15))))) || (((a15 <= 6 || (a15 < 8 && !(a21 == a15))) && a12 < 81) && !(a24 == 2))) || (((a24 == 1 && a12 < 600061) && !(a15 == 10)) && a21 == 10)) || ((((a21 == 8 && a12 <= 72) && a24 == 1) && a15 == 9) && 18 < a12)) || (a24 == 1 && (a15 <= 6 || (a15 < 8 && !(a21 == a15))))) || !(\old(a24) == 1)) || 0 < 49 + \old(a12)) || (((a24 == 1 && a21 == 9) && a12 < 81) && a15 == 8)) || ((a24 == 1 && (((a21 == 8 && a15 == 9) && 81 <= a12) || (((9 <= a15 && 7 == a21) && !(a15 == 10)) && 81 <= a12))) && a12 < 600061)) || (((a24 == 1 && a12 < 600061) && a21 <= 7) && a15 == 8)) || 8 < \old(a15)) || \old(a15) < 8) || (((a12 <= 73282 && a24 == 1) && a21 <= 8) && a15 == 8) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:56:49,364 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...