/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:53:17,281 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-27 21:53:17,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:53:17,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:53:17,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:53:17,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:53:17,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:53:17,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:53:17,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:53:17,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:53:17,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:53:17,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:53:17,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:53:17,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:53:17,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-27 21:53:17,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:53:17,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:53:17,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:53:17,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-27 21:53:17,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:53:17,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:53:17,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:53:17,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:53:17,408 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:53:17,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:53:17,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:53:17,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:53:17,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:53:17,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:53:17,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:53:17,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:53:17,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:53:17,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:53:17,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:53:17,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:53:17,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:53:17,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:53:17,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:53:17,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:53:17,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:53:17,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:53:17,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:53:17,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:53:17,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:53:17,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:53:17,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:53:17,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:53:17,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:53:17,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-27 21:53:17,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:53:17,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:53:17,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:53:17,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:53:17,893 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:53:17,894 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-08-27 21:53:17,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f383cb49/3fa388eae03e4086bc7b325b41e875f1/FLAGfdaf3ba3e [2020-08-27 21:53:18,663 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:53:18,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-08-27 21:53:18,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f383cb49/3fa388eae03e4086bc7b325b41e875f1/FLAGfdaf3ba3e [2020-08-27 21:53:18,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f383cb49/3fa388eae03e4086bc7b325b41e875f1 [2020-08-27 21:53:18,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:53:18,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:53:18,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:53:18,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:53:18,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:53:18,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:53:18" (1/1) ... [2020-08-27 21:53:18,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194bd3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:18, skipping insertion in model container [2020-08-27 21:53:18,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:53:18" (1/1) ... [2020-08-27 21:53:18,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:53:18,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:53:19,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:53:19,474 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:53:19,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:53:19,730 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:53:19,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19 WrapperNode [2020-08-27 21:53:19,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:53:19,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:53:19,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:53:19,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:53:19,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... [2020-08-27 21:53:19,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:53:19,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:53:19,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:53:19,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:53:19,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:53:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:53:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:53:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-27 21:53:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:53:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:53:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:53:21,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:53:21,193 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-27 21:53:21,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:53:21 BoogieIcfgContainer [2020-08-27 21:53:21,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:53:21,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:53:21,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:53:21,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:53:21,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:53:18" (1/3) ... [2020-08-27 21:53:21,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b65b277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:53:21, skipping insertion in model container [2020-08-27 21:53:21,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:53:19" (2/3) ... [2020-08-27 21:53:21,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b65b277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:53:21, skipping insertion in model container [2020-08-27 21:53:21,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:53:21" (3/3) ... [2020-08-27 21:53:21,211 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-08-27 21:53:21,223 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:53:21,233 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:53:21,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:53:21,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:53:21,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:53:21,291 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:53:21,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:53:21,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:53:21,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:53:21,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:53:21,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:53:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-27 21:53:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-08-27 21:53:21,337 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:21,339 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:21,339 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:21,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2020-08-27 21:53:21,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:21,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652704573] [2020-08-27 21:53:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:21,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652704573] [2020-08-27 21:53:21,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:53:21,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-27 21:53:21,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115962136] [2020-08-27 21:53:21,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:21,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:21,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:21,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:21,999 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-27 21:53:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:24,574 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-27 21:53:24,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:53:24,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-08-27 21:53:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:24,600 INFO L225 Difference]: With dead ends: 813 [2020-08-27 21:53:24,600 INFO L226 Difference]: Without dead ends: 488 [2020-08-27 21:53:24,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:53:24,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-27 21:53:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-27 21:53:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-27 21:53:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-27 21:53:24,742 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 99 [2020-08-27 21:53:24,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:24,743 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-27 21:53:24,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-27 21:53:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-08-27 21:53:24,752 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:24,752 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:24,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:53:24,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash 30248894, now seen corresponding path program 1 times [2020-08-27 21:53:24,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:24,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560495224] [2020-08-27 21:53:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:24,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560495224] [2020-08-27 21:53:24,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:24,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-27 21:53:24,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034608471] [2020-08-27 21:53:24,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:24,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:24,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:24,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:24,981 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-08-27 21:53:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:26,618 INFO L93 Difference]: Finished difference Result 1421 states and 2094 transitions. [2020-08-27 21:53:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:53:26,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-08-27 21:53:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:26,632 INFO L225 Difference]: With dead ends: 1421 [2020-08-27 21:53:26,633 INFO L226 Difference]: Without dead ends: 946 [2020-08-27 21:53:26,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:53:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-08-27 21:53:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 926. [2020-08-27 21:53:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-08-27 21:53:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1287 transitions. [2020-08-27 21:53:26,693 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1287 transitions. Word has length 107 [2020-08-27 21:53:26,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:26,694 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1287 transitions. [2020-08-27 21:53:26,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1287 transitions. [2020-08-27 21:53:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-27 21:53:26,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:26,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:26,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:53:26,703 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:26,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:26,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1604675466, now seen corresponding path program 1 times [2020-08-27 21:53:26,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:26,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401671457] [2020-08-27 21:53:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:26,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:26,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401671457] [2020-08-27 21:53:26,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:26,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-27 21:53:26,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251763889] [2020-08-27 21:53:26,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-27 21:53:26,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:26,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-27 21:53:26,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:53:26,973 INFO L87 Difference]: Start difference. First operand 926 states and 1287 transitions. Second operand 5 states. [2020-08-27 21:53:28,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:28,443 INFO L93 Difference]: Finished difference Result 2740 states and 3967 transitions. [2020-08-27 21:53:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:53:28,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-08-27 21:53:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:28,462 INFO L225 Difference]: With dead ends: 2740 [2020-08-27 21:53:28,462 INFO L226 Difference]: Without dead ends: 1820 [2020-08-27 21:53:28,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:53:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-08-27 21:53:28,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1802. [2020-08-27 21:53:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-08-27 21:53:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2373 transitions. [2020-08-27 21:53:28,580 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2373 transitions. Word has length 113 [2020-08-27 21:53:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:28,582 INFO L479 AbstractCegarLoop]: Abstraction has 1802 states and 2373 transitions. [2020-08-27 21:53:28,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-27 21:53:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2373 transitions. [2020-08-27 21:53:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-27 21:53:28,596 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:28,597 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:53:28,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:53:28,598 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:28,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:28,598 INFO L82 PathProgramCache]: Analyzing trace with hash 183684818, now seen corresponding path program 1 times [2020-08-27 21:53:28,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:28,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254217494] [2020-08-27 21:53:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:28,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-27 21:53:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-27 21:53:28,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254217494] [2020-08-27 21:53:28,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:28,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-27 21:53:28,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766553680] [2020-08-27 21:53:28,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-27 21:53:28,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:28,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-27 21:53:28,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-08-27 21:53:28,887 INFO L87 Difference]: Start difference. First operand 1802 states and 2373 transitions. Second operand 9 states. [2020-08-27 21:53:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:30,437 INFO L93 Difference]: Finished difference Result 4067 states and 5619 transitions. [2020-08-27 21:53:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:53:30,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-08-27 21:53:30,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:30,455 INFO L225 Difference]: With dead ends: 4067 [2020-08-27 21:53:30,455 INFO L226 Difference]: Without dead ends: 2271 [2020-08-27 21:53:30,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:53:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2020-08-27 21:53:30,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 1932. [2020-08-27 21:53:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1932 states. [2020-08-27 21:53:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2544 transitions. [2020-08-27 21:53:30,560 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2544 transitions. Word has length 136 [2020-08-27 21:53:30,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:30,560 INFO L479 AbstractCegarLoop]: Abstraction has 1932 states and 2544 transitions. [2020-08-27 21:53:30,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-27 21:53:30,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2544 transitions. [2020-08-27 21:53:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-08-27 21:53:30,567 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:53:30,568 INFO L422 BasicCegarLoop]: 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, 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] [2020-08-27 21:53:30,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:53:30,568 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:53:30,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:53:30,569 INFO L82 PathProgramCache]: Analyzing trace with hash -799528492, now seen corresponding path program 1 times [2020-08-27 21:53:30,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:53:30,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940279577] [2020-08-27 21:53:30,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:53:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:53:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-27 21:53:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:53:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:53:31,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940279577] [2020-08-27 21:53:31,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:53:31,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:53:31,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499307150] [2020-08-27 21:53:31,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:53:31,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:53:31,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:53:31,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:53:31,021 INFO L87 Difference]: Start difference. First operand 1932 states and 2544 transitions. Second operand 8 states. [2020-08-27 21:53:33,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:53:33,283 INFO L93 Difference]: Finished difference Result 5634 states and 7678 transitions. [2020-08-27 21:53:33,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-27 21:53:33,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-08-27 21:53:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:53:33,285 INFO L225 Difference]: With dead ends: 5634 [2020-08-27 21:53:33,285 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:53:33,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-08-27 21:53:33,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:53:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:53:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:53:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:53:33,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-08-27 21:53:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:53:33,298 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:53:33,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:53:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:53:33,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:53:33,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:53:33,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:53:34,339 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2020-08-27 21:53:34,570 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2020-08-27 21:53:35,225 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 44 [2020-08-27 21:53:35,431 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-08-27 21:53:35,567 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-08-27 21:53:35,572 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:53:35,572 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-27 21:53:35,573 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:53:35,573 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,573 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,574 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,574 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,574 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,575 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-27 21:53:35,575 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-27 21:53:35,575 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-27 21:53:35,575 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-27 21:53:35,575 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-27 21:53:35,576 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,577 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-27 21:53:35,578 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-27 21:53:35,579 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,580 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-27 21:53:35,581 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,582 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-27 21:53:35,583 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-27 21:53:35,584 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,585 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-27 21:53:35,586 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-27 21:53:35,587 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,588 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-27 21:53:35,589 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-27 21:53:35,590 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-27 21:53:35,591 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,592 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-27 21:53:35,593 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-27 21:53:35,594 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-27 21:53:35,595 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-27 21:53:35,595 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-27 21:53:35,595 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,595 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,595 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-27 21:53:35,596 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-27 21:53:35,597 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,598 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,599 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= ~a17~0 8)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (and .cse8 .cse9 .cse10 .cse14 .cse12)) (.cse1 (= |old(~a19~0)| 1)) (.cse2 (not (<= |old(~a17~0)| 8))) (.cse0 (= 8 |old(~a28~0)|)) (.cse4 (and .cse8 .cse10 .cse14 .cse13 .cse12)) (.cse7 (not (= |old(~a25~0)| 1))) (.cse11 (= ~a25~0 1)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |old(~a11~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 (not (<= 10 |old(~a28~0)|))) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse2 (and .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse0 .cse4 .cse5) (or .cse7 (and .cse8 .cse10 .cse13 .cse11 .cse12) .cse5 .cse6)))) [2020-08-27 21:53:35,599 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,599 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,599 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,599 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-27 21:53:35,600 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,601 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-27 21:53:35,602 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-27 21:53:35,603 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,604 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-27 21:53:35,605 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-27 21:53:35,606 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-27 21:53:35,606 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-27 21:53:35,609 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-27 21:53:35,609 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-27 21:53:35,609 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-27 21:53:35,609 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-27 21:53:35,609 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-27 21:53:35,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:53:35,611 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (not (= ~a28~0 8)) (= ~a17~0 8)) [2020-08-27 21:53:35,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:53:35,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:53:35,611 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 8 |old(~a28~0)|) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-08-27 21:53:35,611 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse4 (not (= ~a11~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse5 (not (= ~a19~0 1))) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (= 8 |old(~a28~0)|) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse3 .cse0) (and .cse2 .cse5 .cse4) (and .cse1 .cse5 .cse0))) [2020-08-27 21:53:35,612 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-27 21:53:35,612 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-27 21:53:35,612 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse4 (not (= ~a11~0 1))) (.cse1 (not (= ~a28~0 8))) (.cse5 (not (= ~a19~0 1))) (.cse0 (<= ~a17~0 8))) (or (and (<= 10 ~a28~0) .cse0) (= 8 |old(~a28~0)|) (and .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse1 .cse3 .cse0) (and .cse2 .cse5 .cse4) (and .cse1 .cse5 .cse0))) [2020-08-27 21:53:35,612 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-27 21:53:35,612 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-27 21:53:35,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:53:35 BoogieIcfgContainer [2020-08-27 21:53:35,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:53:35,644 INFO L168 Benchmark]: Toolchain (without parser) took 16731.46 ms. Allocated memory was 140.5 MB in the beginning and 410.0 MB in the end (delta: 269.5 MB). Free memory was 102.1 MB in the beginning and 325.1 MB in the end (delta: -223.0 MB). Peak memory consumption was 279.7 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:35,644 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 21:53:35,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.41 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 101.9 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:35,647 INFO L168 Benchmark]: Boogie Preprocessor took 105.65 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 168.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:35,648 INFO L168 Benchmark]: RCFGBuilder took 1362.11 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 181.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:35,649 INFO L168 Benchmark]: TraceAbstraction took 14439.86 ms. Allocated memory was 237.5 MB in the beginning and 410.0 MB in the end (delta: 172.5 MB). Free memory was 179.7 MB in the beginning and 325.1 MB in the end (delta: -145.4 MB). Peak memory consumption was 260.3 MB. Max. memory is 7.1 GB. [2020-08-27 21:53:35,653 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.41 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 101.9 MB in the beginning and 173.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.65 ms. Allocated memory is still 206.6 MB. Free memory was 173.7 MB in the beginning and 168.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1362.11 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 181.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14439.86 ms. Allocated memory was 237.5 MB in the beginning and 410.0 MB in the end (delta: 172.5 MB). Free memory was 179.7 MB in the beginning and 325.1 MB in the end (delta: -145.4 MB). Peak memory consumption was 260.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((10 <= a28 && a17 <= 8) || 8 == \old(a28)) || (!(a28 == 8) && a17 == 8)) || !(8 == \old(a17))) || ((a17 == 8 && a25 == 1) && !(a11 == 1))) || !(\old(a11) <= 0)) || ((!(a28 == 8) && a25 == 1) && a17 <= 8)) || ((a17 == 8 && !(a19 == 1)) && !(a11 == 1))) || ((!(a28 == 8) && !(a19 == 1)) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 3255 SDslu, 179 SDs, 0 SdLazy, 4230 SolverSat, 1177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1932occurred in iteration=4, 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, 5 MinimizatonAttempts, 384 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 131 NumberOfFragments, 398 HoareAnnotationTreeSize, 71 FomulaSimplifications, 26322 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2121 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 263607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 112/120 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...