/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/Problem10_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:13:34,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:13:34,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:13:34,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 23:13:34,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:13:34,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:13:34,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:13:34,712 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 [2023-03-30 23:13:34,745 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:13:34,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:13:34,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:13:34,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:13:34,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:13:34,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:13:34,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:13:34,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:13:34,747 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:13:34,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:13:34,748 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:13:34,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:13:34,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:13:34,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:13:34,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:13:34,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:13:34,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:13:34,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:13:34,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:13:34,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:13:34,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:13:34,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:13:34,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:13:34,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:13:34,752 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:13:34,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:13:34,752 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:13:34,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:13:34,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:13:34,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:13:34,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:13:34,981 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:13:34,981 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:13:34,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2023-03-30 23:13:36,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:13:36,288 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:13:36,288 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2023-03-30 23:13:36,300 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a45c8876/d18e2794239e4292a11542fa944e266b/FLAGab9b7feda [2023-03-30 23:13:36,315 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a45c8876/d18e2794239e4292a11542fa944e266b [2023-03-30 23:13:36,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:13:36,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:13:36,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:13:36,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:13:36,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:13:36,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a13451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36, skipping insertion in model container [2023-03-30 23:13:36,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:13:36,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:13:36,551 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/Problem10_label10.c[5544,5557] [2023-03-30 23:13:36,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:13:36,717 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:13:36,746 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/Problem10_label10.c[5544,5557] [2023-03-30 23:13:36,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:13:36,842 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:13:36,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36 WrapperNode [2023-03-30 23:13:36,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:13:36,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:13:36,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:13:36,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:13:36,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:13:36,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:13:36,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:13:36,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:13:36,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (1/1) ... [2023-03-30 23:13:36,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:13:36,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:37,027 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) [2023-03-30 23:13:37,054 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 [2023-03-30 23:13:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:13:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:13:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:13:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:13:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:13:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:13:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:13:37,154 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:13:37,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:13:38,184 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:13:38,197 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:13:38,197 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:13:38,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:13:38 BoogieIcfgContainer [2023-03-30 23:13:38,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:13:38,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:13:38,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:13:38,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:13:38,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:13:36" (1/3) ... [2023-03-30 23:13:38,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba8475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:13:38, skipping insertion in model container [2023-03-30 23:13:38,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:13:36" (2/3) ... [2023-03-30 23:13:38,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba8475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:13:38, skipping insertion in model container [2023-03-30 23:13:38,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:13:38" (3/3) ... [2023-03-30 23:13:38,209 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2023-03-30 23:13:38,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:13:38,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:13:38,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:13:38,295 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;@616d8f6e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:13:38,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:13:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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) [2023-03-30 23:13:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-03-30 23:13:38,313 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:38,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:38,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:38,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1063252897, now seen corresponding path program 1 times [2023-03-30 23:13:38,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:38,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331367400] [2023-03-30 23:13:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:38,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:38,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331367400] [2023-03-30 23:13:38,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331367400] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:38,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:38,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 23:13:38,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121325418] [2023-03-30 23:13:38,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:38,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 23:13:38,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:38,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 23:13:38,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 23:13:39,001 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-03-30 23:13:40,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:40,096 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2023-03-30 23:13:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 23:13:40,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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 54 [2023-03-30 23:13:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:40,109 INFO L225 Difference]: With dead ends: 581 [2023-03-30 23:13:40,109 INFO L226 Difference]: Without dead ends: 302 [2023-03-30 23:13:40,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-30 23:13:40,117 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 482 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:40,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 24 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-30 23:13:40,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-03-30 23:13:40,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2023-03-30 23:13:40,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 288 states have (on average 1.3333333333333333) internal successors, (384), 290 states have internal predecessors, (384), 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) [2023-03-30 23:13:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2023-03-30 23:13:40,178 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 54 [2023-03-30 23:13:40,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:40,179 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2023-03-30 23:13:40,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-03-30 23:13:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2023-03-30 23:13:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-03-30 23:13:40,191 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:40,191 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:40,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 23:13:40,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:40,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:40,193 INFO L85 PathProgramCache]: Analyzing trace with hash -945852252, now seen corresponding path program 1 times [2023-03-30 23:13:40,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:40,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760092516] [2023-03-30 23:13:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-30 23:13:40,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:40,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760092516] [2023-03-30 23:13:40,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760092516] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:40,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294743563] [2023-03-30 23:13:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:40,669 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) [2023-03-30 23:13:40,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 23:13:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:40,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:40,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:40,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:40,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294743563] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:40,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:40,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2023-03-30 23:13:40,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941705375] [2023-03-30 23:13:40,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:40,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:40,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:40,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:40,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:13:40,906 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:13:41,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:41,382 INFO L93 Difference]: Finished difference Result 590 states and 793 transitions. [2023-03-30 23:13:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:41,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 124 [2023-03-30 23:13:41,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:41,387 INFO L225 Difference]: With dead ends: 590 [2023-03-30 23:13:41,387 INFO L226 Difference]: Without dead ends: 588 [2023-03-30 23:13:41,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-30 23:13:41,388 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 138 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:41,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 24 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:13:41,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2023-03-30 23:13:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 443. [2023-03-30 23:13:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 430 states have (on average 1.3976744186046512) internal successors, (601), 433 states have internal predecessors, (601), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-03-30 23:13:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 620 transitions. [2023-03-30 23:13:41,414 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 620 transitions. Word has length 124 [2023-03-30 23:13:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:41,415 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 620 transitions. [2023-03-30 23:13:41,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 23:13:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 620 transitions. [2023-03-30 23:13:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-30 23:13:41,416 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:41,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:41,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-30 23:13:41,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:41,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:41,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 254524653, now seen corresponding path program 1 times [2023-03-30 23:13:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407756473] [2023-03-30 23:13:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:41,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:41,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407756473] [2023-03-30 23:13:41,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407756473] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:41,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 23:13:41,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 23:13:41,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523454633] [2023-03-30 23:13:41,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:41,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 23:13:41,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:41,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 23:13:41,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 23:13:41,925 INFO L87 Difference]: Start difference. First operand 443 states and 620 transitions. Second operand has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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) [2023-03-30 23:13:42,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:42,932 INFO L93 Difference]: Finished difference Result 1196 states and 1701 transitions. [2023-03-30 23:13:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 23:13:42,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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 127 [2023-03-30 23:13:42,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:42,937 INFO L225 Difference]: With dead ends: 1196 [2023-03-30 23:13:42,937 INFO L226 Difference]: Without dead ends: 759 [2023-03-30 23:13:42,938 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 [2023-03-30 23:13:42,939 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 734 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:42,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 39 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-30 23:13:42,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2023-03-30 23:13:42,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 741. [2023-03-30 23:13:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 718 states have (on average 1.286908077994429) internal successors, (924), 727 states have internal predecessors, (924), 7 states have call successors, (7), 7 states have call predecessors, (7), 15 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2023-03-30 23:13:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 967 transitions. [2023-03-30 23:13:42,990 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 967 transitions. Word has length 127 [2023-03-30 23:13:42,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:42,992 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 967 transitions. [2023-03-30 23:13:42,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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) [2023-03-30 23:13:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 967 transitions. [2023-03-30 23:13:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-03-30 23:13:42,995 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:42,996 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:42,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 23:13:42,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:42,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash -898983167, now seen corresponding path program 1 times [2023-03-30 23:13:42,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:42,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586736758] [2023-03-30 23:13:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:43,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:43,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586736758] [2023-03-30 23:13:43,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586736758] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538004818] [2023-03-30 23:13:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:43,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:43,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:43,205 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) [2023-03-30 23:13:43,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 23:13:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:43,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:43,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:43,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538004818] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:43,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-03-30 23:13:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241693256] [2023-03-30 23:13:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:43,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:43,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:13:43,412 INFO L87 Difference]: Start difference. First operand 741 states and 967 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-03-30 23:13:43,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:43,857 INFO L93 Difference]: Finished difference Result 1770 states and 2359 transitions. [2023-03-30 23:13:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:43,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 133 [2023-03-30 23:13:43,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:43,862 INFO L225 Difference]: With dead ends: 1770 [2023-03-30 23:13:43,863 INFO L226 Difference]: Without dead ends: 1035 [2023-03-30 23:13:43,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 23:13:43,865 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 109 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:43,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 67 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:13:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2023-03-30 23:13:43,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2023-03-30 23:13:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1004 states have (on average 1.2151394422310757) internal successors, (1220), 1017 states have internal predecessors, (1220), 9 states have call successors, (9), 9 states have call predecessors, (9), 21 states have return successors, (66), 8 states have call predecessors, (66), 8 states have call successors, (66) [2023-03-30 23:13:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1295 transitions. [2023-03-30 23:13:43,900 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1295 transitions. Word has length 133 [2023-03-30 23:13:43,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:43,901 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1295 transitions. [2023-03-30 23:13:43,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-03-30 23:13:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1295 transitions. [2023-03-30 23:13:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-03-30 23:13:43,904 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:43,904 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-03-30 23:13:43,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-30 23:13:44,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-03-30 23:13:44,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:44,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash -714934529, now seen corresponding path program 1 times [2023-03-30 23:13:44,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:44,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924522495] [2023-03-30 23:13:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:44,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-30 23:13:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 23:13:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924522495] [2023-03-30 23:13:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924522495] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:44,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090921435] [2023-03-30 23:13:44,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:44,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:44,453 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) [2023-03-30 23:13:44,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 23:13:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:44,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:44,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 23:13:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 23:13:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090921435] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 23:13:45,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 23:13:45,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-03-30 23:13:45,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589153078] [2023-03-30 23:13:45,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 23:13:45,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-30 23:13:45,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:45,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-30 23:13:45,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-03-30 23:13:45,022 INFO L87 Difference]: Start difference. First operand 1035 states and 1295 transitions. Second operand has 13 states, 13 states have (on average 29.846153846153847) internal successors, (388), 11 states have internal predecessors, (388), 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) [2023-03-30 23:13:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:46,896 INFO L93 Difference]: Finished difference Result 2694 states and 3543 transitions. [2023-03-30 23:13:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-03-30 23:13:46,897 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 29.846153846153847) internal successors, (388), 11 states have internal predecessors, (388), 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 214 [2023-03-30 23:13:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:46,907 INFO L225 Difference]: With dead ends: 2694 [2023-03-30 23:13:46,907 INFO L226 Difference]: Without dead ends: 1665 [2023-03-30 23:13:46,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-03-30 23:13:46,910 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1935 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:46,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 103 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-03-30 23:13:46,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2023-03-30 23:13:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1647. [2023-03-30 23:13:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1647 states, 1588 states have (on average 1.2002518891687657) internal successors, (1906), 1621 states have internal predecessors, (1906), 13 states have call successors, (13), 13 states have call predecessors, (13), 45 states have return successors, (163), 12 states have call predecessors, (163), 12 states have call successors, (163) [2023-03-30 23:13:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2082 transitions. [2023-03-30 23:13:46,999 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2082 transitions. Word has length 214 [2023-03-30 23:13:46,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:47,000 INFO L495 AbstractCegarLoop]: Abstraction has 1647 states and 2082 transitions. [2023-03-30 23:13:47,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 29.846153846153847) internal successors, (388), 11 states have internal predecessors, (388), 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) [2023-03-30 23:13:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2082 transitions. [2023-03-30 23:13:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-03-30 23:13:47,015 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:47,015 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 23:13:47,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-30 23:13:47,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:47,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:47,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:47,228 INFO L85 PathProgramCache]: Analyzing trace with hash -213148880, now seen corresponding path program 1 times [2023-03-30 23:13:47,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:47,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053566886] [2023-03-30 23:13:47,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-03-30 23:13:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 94 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 23:13:47,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:47,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053566886] [2023-03-30 23:13:47,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053566886] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968696105] [2023-03-30 23:13:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:47,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:47,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:47,916 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) [2023-03-30 23:13:47,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 23:13:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:48,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:48,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-03-30 23:13:48,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:48,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968696105] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:48,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:48,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 23:13:48,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448768697] [2023-03-30 23:13:48,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:48,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:48,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:48,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:48,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:13:48,093 INFO L87 Difference]: Start difference. First operand 1647 states and 2082 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:48,511 INFO L93 Difference]: Finished difference Result 1937 states and 2463 transitions. [2023-03-30 23:13:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 229 [2023-03-30 23:13:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:48,519 INFO L225 Difference]: With dead ends: 1937 [2023-03-30 23:13:48,519 INFO L226 Difference]: Without dead ends: 1935 [2023-03-30 23:13:48,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:13:48,522 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 139 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:48,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 24 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:13:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2023-03-30 23:13:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1500. [2023-03-30 23:13:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1445 states have (on average 1.2124567474048442) internal successors, (1752), 1476 states have internal predecessors, (1752), 12 states have call successors, (12), 12 states have call predecessors, (12), 42 states have return successors, (153), 11 states have call predecessors, (153), 11 states have call successors, (153) [2023-03-30 23:13:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1917 transitions. [2023-03-30 23:13:48,570 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1917 transitions. Word has length 229 [2023-03-30 23:13:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:48,571 INFO L495 AbstractCegarLoop]: Abstraction has 1500 states and 1917 transitions. [2023-03-30 23:13:48,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1917 transitions. [2023-03-30 23:13:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-03-30 23:13:48,576 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:13:48,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:48,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 23:13:48,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:48,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:13:48,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:13:48,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1199031891, now seen corresponding path program 1 times [2023-03-30 23:13:48,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:13:48,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609088638] [2023-03-30 23:13:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:13:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 23:13:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 23:13:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-03-30 23:13:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 94 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-30 23:13:49,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 23:13:49,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609088638] [2023-03-30 23:13:49,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609088638] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 23:13:49,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113768274] [2023-03-30 23:13:49,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:13:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:13:49,553 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) [2023-03-30 23:13:49,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 23:13:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 23:13:49,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 23:13:49,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 23:13:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-03-30 23:13:49,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 23:13:49,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113768274] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 23:13:49,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 23:13:49,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 23:13:49,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364129923] [2023-03-30 23:13:49,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 23:13:49,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 23:13:49,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 23:13:49,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 23:13:49,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:13:49,727 INFO L87 Difference]: Start difference. First operand 1500 states and 1917 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 23:13:50,123 INFO L93 Difference]: Finished difference Result 2992 states and 3835 transitions. [2023-03-30 23:13:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 23:13:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 250 [2023-03-30 23:13:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 23:13:50,126 INFO L225 Difference]: With dead ends: 2992 [2023-03-30 23:13:50,126 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 23:13:50,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-30 23:13:50,133 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 99 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 23:13:50,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 226 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 23:13:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 23:13:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 23:13:50,134 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) [2023-03-30 23:13:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 23:13:50,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2023-03-30 23:13:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 23:13:50,134 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 23:13:50,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 23:13:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 23:13:50,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 23:13:50,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 23:13:50,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 23:13:50,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 23:13:50,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 23:13:51,047 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 23:13:51,047 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 23:13:51,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 23:13:51,047 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:13:51,048 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= ~a10~0 1) (<= 9 ~a19~0)) (< |old(~a19~0)| 9) (= ~a10~0 0) (and .cse0 (<= 3 ~a10~0)) (and .cse0 (<= 7 ~a19~0)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|))) [2023-03-30 23:13:51,048 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-03-30 23:13:51,048 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-03-30 23:13:51,048 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= ~a10~0 1) (<= 9 ~a19~0)) (< |old(~a19~0)| 9) (= ~a10~0 0) (and .cse0 (<= 3 ~a10~0)) (and .cse0 (<= 7 ~a19~0)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|))) [2023-03-30 23:13:51,048 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-03-30 23:13:51,048 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (< |old(~a19~0)| 9) (and (= ~a10~0 0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (< 9 |old(~a19~0)|)) [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,049 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-03-30 23:13:51,050 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,051 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-03-30 23:13:51,052 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-03-30 23:13:51,053 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,054 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-03-30 23:13:51,055 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-03-30 23:13:51,056 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,057 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,058 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-03-30 23:13:51,059 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-03-30 23:13:51,060 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-03-30 23:13:51,061 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-03-30 23:13:51,062 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse0 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (and .cse0 .cse1 (= ~a10~0 |old(~a10~0)|))) (.cse3 (< 9 |old(~a19~0)|))) (and (or (and (= ~a10~0 0) .cse0 .cse1) (not (= 0 |old(~a10~0)|))) (or (< |old(~a19~0)| 9) (< 1 |old(~a10~0)|) .cse2) (or (< |old(~a10~0)| 3) .cse2 .cse3) (or .cse2 (< |old(~a19~0)| 7) .cse3)))) [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-03-30 23:13:51,063 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,064 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-30 23:13:51,065 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-03-30 23:13:51,066 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-30 23:13:51,066 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 23:13:51,066 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (= ~a10~0 0) (<= 9 ~a19~0)) [2023-03-30 23:13:51,066 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 23:13:51,066 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 23:13:51,069 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-30 23:13:51,071 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 23:13:51,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 11:13:51 BoogieIcfgContainer [2023-03-30 23:13:51,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 23:13:51,109 INFO L158 Benchmark]: Toolchain (without parser) took 14790.52ms. Allocated memory was 327.2MB in the beginning and 487.6MB in the end (delta: 160.4MB). Free memory was 264.2MB in the beginning and 452.8MB in the end (delta: -188.6MB). Peak memory consumption was 257.0MB. Max. memory is 8.0GB. [2023-03-30 23:13:51,110 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory was 162.1MB in the beginning and 161.9MB in the end (delta: 155.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 23:13:51,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.41ms. Allocated memory is still 327.2MB. Free memory was 263.7MB in the beginning and 236.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 23:13:51,110 INFO L158 Benchmark]: Boogie Preprocessor took 118.40ms. Allocated memory is still 327.2MB. Free memory was 236.4MB in the beginning and 231.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 23:13:51,110 INFO L158 Benchmark]: RCFGBuilder took 1236.39ms. Allocated memory is still 327.2MB. Free memory was 231.7MB in the beginning and 148.9MB in the end (delta: 82.8MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-03-30 23:13:51,111 INFO L158 Benchmark]: TraceAbstraction took 12906.68ms. Allocated memory was 327.2MB in the beginning and 487.6MB in the end (delta: 160.4MB). Free memory was 148.3MB in the beginning and 452.8MB in the end (delta: -304.5MB). Peak memory consumption was 140.6MB. Max. memory is 8.0GB. [2023-03-30 23:13:51,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory was 162.1MB in the beginning and 161.9MB in the end (delta: 155.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 523.41ms. Allocated memory is still 327.2MB. Free memory was 263.7MB in the beginning and 236.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 118.40ms. Allocated memory is still 327.2MB. Free memory was 236.4MB in the beginning and 231.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1236.39ms. Allocated memory is still 327.2MB. Free memory was 231.7MB in the beginning and 148.9MB in the end (delta: 82.8MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12906.68ms. Allocated memory was 327.2MB in the beginning and 487.6MB in the end (delta: 160.4MB). Free memory was 148.3MB in the beginning and 452.8MB in the end (delta: -304.5MB). Peak memory consumption was 140.6MB. 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: 158]: 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, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3636 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3636 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 1028 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4832 IncrementalHoareTripleChecker+Invalid, 5860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1028 mSolverCounterUnsat, 348 mSDtfsCounter, 4832 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1250 GetRequests, 1188 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1647occurred in iteration=5, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 42 PreInvPairs, 62 NumberOfFragments, 206 HoareAnnotationTreeSize, 42 FomulaSimplifications, 4955 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1351 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2081 NumberOfCodeBlocks, 2081 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2282 ConstructedInterpolants, 0 QuantifiedInterpolants, 5849 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1868 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1259/1411 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: 592]: Loop Invariant Derived loop invariant: ((((((a10 <= 1 && 9 <= a19) || \old(a19) < 9) || a10 == 0) || (a19 <= 9 && 3 <= a10)) || (a19 <= 9 && 7 <= a19)) || !(0 == \old(a10))) || 9 < \old(a19) RESULT: Ultimate proved your program to be correct! [2023-03-30 23:13:51,135 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...