/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:13:51,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:13:51,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:13:51,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:13:51,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:13:51,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:13:51,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:13:51,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:13:51,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:13:51,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:13:51,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:13:51,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:13:51,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:13:51,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:13:51,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:13:51,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:13:51,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:13:51,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:13:51,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:13:51,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:13:51,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:13:51,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:13:51,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:13:51,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:13:51,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:13:51,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:13:51,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:13:51,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:13:51,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:13:51,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:13:51,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:13:51,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:13:51,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:13:51,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:13:51,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:13:51,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:13:51,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:13:51,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:13:51,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:13:51,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:13:51,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:13:51,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:13:51,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:13:51,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:13:51,559 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:13:51,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:13:51,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:13:51,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:13:51,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:13:51,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:13:51,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:13:51,563 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:13:52,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:13:52,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:13:52,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:13:52,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:13:52,042 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:13:52,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2020-09-04 16:13:52,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/933d14374/4445fbdd0e204b07b89b8694fcc40a7a/FLAG021bb4562 [2020-09-04 16:13:52,653 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:13:52,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2020-09-04 16:13:52,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/933d14374/4445fbdd0e204b07b89b8694fcc40a7a/FLAG021bb4562 [2020-09-04 16:13:53,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/933d14374/4445fbdd0e204b07b89b8694fcc40a7a [2020-09-04 16:13:53,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:13:53,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:13:53,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:13:53,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:13:53,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:13:53,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cc40f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53, skipping insertion in model container [2020-09-04 16:13:53,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:13:53,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:13:53,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:13:53,341 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:13:53,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:13:53,378 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:13:53,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53 WrapperNode [2020-09-04 16:13:53,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:13:53,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:13:53,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:13:53,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:13:53,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (1/1) ... [2020-09-04 16:13:53,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:13:53,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:13:53,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:13:53,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:13:53,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (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 [2020-09-04 16:13:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:13:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:13:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-04 16:13:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:13:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 16:13:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:13:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-04 16:13:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:13:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:13:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:13:53,781 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:13:53,781 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:13:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:13:53 BoogieIcfgContainer [2020-09-04 16:13:53,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:13:53,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:13:53,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:13:53,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:13:53,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:13:53" (1/3) ... [2020-09-04 16:13:53,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2226e1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:13:53, skipping insertion in model container [2020-09-04 16:13:53,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:13:53" (2/3) ... [2020-09-04 16:13:53,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2226e1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:13:53, skipping insertion in model container [2020-09-04 16:13:53,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:13:53" (3/3) ... [2020-09-04 16:13:53,800 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-1.c [2020-09-04 16:13:53,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:13:53,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:13:53,849 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:13:53,911 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:13:53,912 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:13:53,912 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:13:53,913 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:13:53,913 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:13:53,913 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:13:53,913 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:13:53,914 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:13:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-09-04 16:13:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-04 16:13:53,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:53,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:53,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-09-04 16:13:53,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:53,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707335143] [2020-09-04 16:13:53,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:54,066 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:13:54,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707335143] [2020-09-04 16:13:54,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:54,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 16:13:54,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215264298] [2020-09-04 16:13:54,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 16:13:54,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:54,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 16:13:54,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:13:54,302 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-09-04 16:13:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:54,431 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-09-04 16:13:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:13:54,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-04 16:13:54,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:54,449 INFO L225 Difference]: With dead ends: 44 [2020-09-04 16:13:54,449 INFO L226 Difference]: Without dead ends: 28 [2020-09-04 16:13:54,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:13:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-04 16:13:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-04 16:13:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-04 16:13:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-04 16:13:54,512 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-09-04 16:13:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:54,512 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-04 16:13:54,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 16:13:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-04 16:13:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-04 16:13:54,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:54,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:54,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:13:54,516 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:54,517 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-09-04 16:13:54,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:54,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445265896] [2020-09-04 16:13:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:54,520 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:13:54,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445265896] [2020-09-04 16:13:54,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:54,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 16:13:54,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020124311] [2020-09-04 16:13:54,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 16:13:54,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:54,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 16:13:54,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:13:54,603 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-09-04 16:13:54,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:54,677 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-09-04 16:13:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:13:54,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-04 16:13:54,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:54,680 INFO L225 Difference]: With dead ends: 36 [2020-09-04 16:13:54,680 INFO L226 Difference]: Without dead ends: 30 [2020-09-04 16:13:54,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:13:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-04 16:13:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-09-04 16:13:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-04 16:13:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-04 16:13:54,694 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-09-04 16:13:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:54,695 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-04 16:13:54,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 16:13:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-04 16:13:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-04 16:13:54,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:54,697 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:54,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 16:13:54,698 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:54,699 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-09-04 16:13:54,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:54,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338549991] [2020-09-04 16:13:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:54,702 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-04 16:13:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-04 16:13:54,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338549991] [2020-09-04 16:13:54,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:54,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 16:13:54,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490606732] [2020-09-04 16:13:54,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 16:13:54,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:54,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 16:13:54,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:13:54,869 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-09-04 16:13:54,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:54,983 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-09-04 16:13:54,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 16:13:54,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-04 16:13:54,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:54,986 INFO L225 Difference]: With dead ends: 52 [2020-09-04 16:13:54,986 INFO L226 Difference]: Without dead ends: 30 [2020-09-04 16:13:54,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 16:13:54,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-04 16:13:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-04 16:13:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-04 16:13:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-09-04 16:13:55,000 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-09-04 16:13:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:55,001 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-09-04 16:13:55,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 16:13:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-09-04 16:13:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-04 16:13:55,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:55,003 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:55,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 16:13:55,004 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:55,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-09-04 16:13:55,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:55,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102647818] [2020-09-04 16:13:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:55,008 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 16:13:55,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102647818] [2020-09-04 16:13:55,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:55,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 16:13:55,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386193471] [2020-09-04 16:13:55,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 16:13:55,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:55,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 16:13:55,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:13:55,128 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-09-04 16:13:55,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:55,259 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-09-04 16:13:55,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 16:13:55,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-04 16:13:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:55,263 INFO L225 Difference]: With dead ends: 56 [2020-09-04 16:13:55,263 INFO L226 Difference]: Without dead ends: 50 [2020-09-04 16:13:55,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-04 16:13:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-04 16:13:55,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-09-04 16:13:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-04 16:13:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-09-04 16:13:55,281 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-09-04 16:13:55,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:55,282 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-09-04 16:13:55,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 16:13:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-09-04 16:13:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-04 16:13:55,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:55,285 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 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] [2020-09-04 16:13:55,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 16:13:55,286 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:55,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:55,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-09-04 16:13:55,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:55,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011638303] [2020-09-04 16:13:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:55,289 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 16:13:55,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011638303] [2020-09-04 16:13:55,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:55,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 16:13:55,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209397987] [2020-09-04 16:13:55,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 16:13:55,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:55,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 16:13:55,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-04 16:13:55,471 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-09-04 16:13:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:55,691 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-09-04 16:13:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 16:13:55,696 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-04 16:13:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:55,702 INFO L225 Difference]: With dead ends: 111 [2020-09-04 16:13:55,702 INFO L226 Difference]: Without dead ends: 67 [2020-09-04 16:13:55,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-09-04 16:13:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-09-04 16:13:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-09-04 16:13:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-04 16:13:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-09-04 16:13:55,739 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-09-04 16:13:55,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:55,740 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-09-04 16:13:55,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 16:13:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-09-04 16:13:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 16:13:55,746 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:55,746 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 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] [2020-09-04 16:13:55,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 16:13:55,750 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:55,751 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-09-04 16:13:55,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:55,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770476235] [2020-09-04 16:13:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:55,760 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 16:13:56,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770476235] [2020-09-04 16:13:56,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:56,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 16:13:56,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841900466] [2020-09-04 16:13:56,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 16:13:56,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:56,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 16:13:56,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:13:56,012 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-09-04 16:13:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:56,147 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-09-04 16:13:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 16:13:56,148 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-09-04 16:13:56,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:56,151 INFO L225 Difference]: With dead ends: 89 [2020-09-04 16:13:56,151 INFO L226 Difference]: Without dead ends: 83 [2020-09-04 16:13:56,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-04 16:13:56,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-09-04 16:13:56,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-09-04 16:13:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-04 16:13:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-09-04 16:13:56,173 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-09-04 16:13:56,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:56,174 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-09-04 16:13:56,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 16:13:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-09-04 16:13:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-04 16:13:56,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:56,182 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:56,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 16:13:56,182 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:56,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:56,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-09-04 16:13:56,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:56,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572818300] [2020-09-04 16:13:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:56,188 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 11 proven. 69 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-09-04 16:13:56,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572818300] [2020-09-04 16:13:56,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:56,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 16:13:56,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348414878] [2020-09-04 16:13:56,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 16:13:56,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:56,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 16:13:56,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-04 16:13:56,583 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-09-04 16:13:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:56,927 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-09-04 16:13:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-04 16:13:56,927 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-09-04 16:13:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:56,931 INFO L225 Difference]: With dead ends: 142 [2020-09-04 16:13:56,931 INFO L226 Difference]: Without dead ends: 73 [2020-09-04 16:13:56,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-09-04 16:13:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-04 16:13:56,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-09-04 16:13:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-04 16:13:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-09-04 16:13:56,948 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-09-04 16:13:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:56,949 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-09-04 16:13:56,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 16:13:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-09-04 16:13:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-04 16:13:56,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:56,951 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:56,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 16:13:56,952 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:56,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:56,952 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-09-04 16:13:56,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:56,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721045062] [2020-09-04 16:13:56,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:56,955 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:13:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:13:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 97 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-09-04 16:13:57,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721045062] [2020-09-04 16:13:57,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:57,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 16:13:57,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052210995] [2020-09-04 16:13:57,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 16:13:57,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:57,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 16:13:57,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-04 16:13:57,629 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-09-04 16:13:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:58,111 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-09-04 16:13:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 16:13:58,112 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-09-04 16:13:58,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:58,115 INFO L225 Difference]: With dead ends: 149 [2020-09-04 16:13:58,115 INFO L226 Difference]: Without dead ends: 92 [2020-09-04 16:13:58,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-09-04 16:13:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-04 16:13:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-09-04 16:13:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-04 16:13:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2020-09-04 16:13:58,150 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 193 [2020-09-04 16:13:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:58,151 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2020-09-04 16:13:58,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 16:13:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2020-09-04 16:13:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-04 16:13:58,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:58,160 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:58,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 16:13:58,160 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:58,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2080077336, now seen corresponding path program 6 times [2020-09-04 16:13:58,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:58,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118686787] [2020-09-04 16:13:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:58,165 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:13:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:13:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:13:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:13:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:13:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:13:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:13:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:13:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:13:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:13:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 30 proven. 152 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2020-09-04 16:13:59,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118686787] [2020-09-04 16:13:59,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:13:59,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 16:13:59,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100549742] [2020-09-04 16:13:59,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 16:13:59,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:13:59,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 16:13:59,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-04 16:13:59,124 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand 15 states. [2020-09-04 16:13:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:13:59,834 INFO L93 Difference]: Finished difference Result 194 states and 284 transitions. [2020-09-04 16:13:59,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 16:13:59,835 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 281 [2020-09-04 16:13:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:13:59,840 INFO L225 Difference]: With dead ends: 194 [2020-09-04 16:13:59,841 INFO L226 Difference]: Without dead ends: 119 [2020-09-04 16:13:59,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 16:13:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-09-04 16:13:59,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2020-09-04 16:13:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-04 16:13:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 138 transitions. [2020-09-04 16:13:59,876 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 138 transitions. Word has length 281 [2020-09-04 16:13:59,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:13:59,877 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 138 transitions. [2020-09-04 16:13:59,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 16:13:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2020-09-04 16:13:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-09-04 16:13:59,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:13:59,886 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 13, 13, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:13:59,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 16:13:59,886 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:13:59,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:13:59,887 INFO L82 PathProgramCache]: Analyzing trace with hash 260846875, now seen corresponding path program 7 times [2020-09-04 16:13:59,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:13:59,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055633151] [2020-09-04 16:13:59,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:13:59,891 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:13:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:14:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:14:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2020-09-04 16:14:00,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055633151] [2020-09-04 16:14:00,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:14:00,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 16:14:00,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254163054] [2020-09-04 16:14:00,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 16:14:00,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:14:00,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 16:14:00,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-09-04 16:14:00,891 INFO L87 Difference]: Start difference. First operand 109 states and 138 transitions. Second operand 11 states. [2020-09-04 16:14:01,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:14:01,176 INFO L93 Difference]: Finished difference Result 356 states and 488 transitions. [2020-09-04 16:14:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 16:14:01,177 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 369 [2020-09-04 16:14:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:14:01,185 INFO L225 Difference]: With dead ends: 356 [2020-09-04 16:14:01,186 INFO L226 Difference]: Without dead ends: 350 [2020-09-04 16:14:01,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-09-04 16:14:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-09-04 16:14:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 320. [2020-09-04 16:14:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-04 16:14:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 441 transitions. [2020-09-04 16:14:01,256 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 441 transitions. Word has length 369 [2020-09-04 16:14:01,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:14:01,257 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 441 transitions. [2020-09-04 16:14:01,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 16:14:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 441 transitions. [2020-09-04 16:14:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2020-09-04 16:14:01,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:14:01,277 INFO L422 BasicCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 26, 26, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:14:01,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 16:14:01,278 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:14:01,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:14:01,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1826894978, now seen corresponding path program 8 times [2020-09-04 16:14:01,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:14:01,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122989667] [2020-09-04 16:14:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:14:01,283 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:14:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:01,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:14:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:14:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:14:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4178 backedges. 119 proven. 483 refuted. 0 times theorem prover too weak. 3576 trivial. 0 not checked. [2020-09-04 16:14:04,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122989667] [2020-09-04 16:14:04,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:14:04,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:14:04,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162872639] [2020-09-04 16:14:04,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:14:04,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:14:04,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:14:04,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:14:04,844 INFO L87 Difference]: Start difference. First operand 320 states and 441 transitions. Second operand 19 states. [2020-09-04 16:14:05,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:14:05,900 INFO L93 Difference]: Finished difference Result 481 states and 761 transitions. [2020-09-04 16:14:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-04 16:14:05,902 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 739 [2020-09-04 16:14:05,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:14:05,910 INFO L225 Difference]: With dead ends: 481 [2020-09-04 16:14:05,910 INFO L226 Difference]: Without dead ends: 175 [2020-09-04 16:14:05,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=447, Invalid=1809, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 16:14:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-04 16:14:05,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 149. [2020-09-04 16:14:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-04 16:14:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 201 transitions. [2020-09-04 16:14:05,932 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 201 transitions. Word has length 739 [2020-09-04 16:14:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:14:05,933 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 201 transitions. [2020-09-04 16:14:05,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:14:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2020-09-04 16:14:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-09-04 16:14:05,971 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:14:05,972 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:14:05,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 16:14:05,972 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:14:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:14:05,973 INFO L82 PathProgramCache]: Analyzing trace with hash -668436832, now seen corresponding path program 9 times [2020-09-04 16:14:05,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:14:05,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47919789] [2020-09-04 16:14:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:14:05,977 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:14:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:06,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:14:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:06,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:14:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:07,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:14:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:14:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:08,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7790 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 7285 trivial. 0 not checked. [2020-09-04 16:14:10,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47919789] [2020-09-04 16:14:10,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:14:10,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 16:14:10,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302937699] [2020-09-04 16:14:10,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 16:14:10,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:14:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 16:14:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-09-04 16:14:10,154 INFO L87 Difference]: Start difference. First operand 149 states and 201 transitions. Second operand 13 states. [2020-09-04 16:14:10,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:14:10,589 INFO L93 Difference]: Finished difference Result 624 states and 903 transitions. [2020-09-04 16:14:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 16:14:10,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 968 [2020-09-04 16:14:10,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:14:10,608 INFO L225 Difference]: With dead ends: 624 [2020-09-04 16:14:10,610 INFO L226 Difference]: Without dead ends: 618 [2020-09-04 16:14:10,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=295, Unknown=0, NotChecked=0, Total=462 [2020-09-04 16:14:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-09-04 16:14:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 576. [2020-09-04 16:14:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-04 16:14:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 833 transitions. [2020-09-04 16:14:10,707 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 833 transitions. Word has length 968 [2020-09-04 16:14:10,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:14:10,708 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 833 transitions. [2020-09-04 16:14:10,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 16:14:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 833 transitions. [2020-09-04 16:14:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2020-09-04 16:14:10,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:14:10,757 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 68, 68, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:14:10,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 16:14:10,758 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:14:10,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:14:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash -108146952, now seen corresponding path program 10 times [2020-09-04 16:14:10,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:14:10,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326197104] [2020-09-04 16:14:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:14:10,765 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:14:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:14:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:14:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:14,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:14:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:15,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:14:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-09-04 16:14:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:14:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:14:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:14:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:14:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:14:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:14:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:14:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:14:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:14:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:14:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 31941 backedges. 375 proven. 1393 refuted. 0 times theorem prover too weak. 30173 trivial. 0 not checked. [2020-09-04 16:14:21,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326197104] [2020-09-04 16:14:21,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:14:21,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 16:14:21,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039525925] [2020-09-04 16:14:21,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 16:14:21,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:14:21,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 16:14:21,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2020-09-04 16:14:21,627 INFO L87 Difference]: Start difference. First operand 576 states and 833 transitions. Second operand 23 states. [2020-09-04 16:14:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:14:23,199 INFO L93 Difference]: Finished difference Result 808 states and 1346 transitions. [2020-09-04 16:14:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 16:14:23,200 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1937 [2020-09-04 16:14:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:14:23,209 INFO L225 Difference]: With dead ends: 808 [2020-09-04 16:14:23,209 INFO L226 Difference]: Without dead ends: 246 [2020-09-04 16:14:23,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=684, Invalid=2976, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 16:14:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-04 16:14:23,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 195. [2020-09-04 16:14:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-04 16:14:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 283 transitions. [2020-09-04 16:14:23,242 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 283 transitions. Word has length 1937 [2020-09-04 16:14:23,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:14:23,245 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 283 transitions. [2020-09-04 16:14:23,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 16:14:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 283 transitions. [2020-09-04 16:14:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2020-09-04 16:14:23,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:14:23,268 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 55, 55, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:14:23,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 16:14:23,268 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:14:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:14:23,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1218167635, now seen corresponding path program 11 times [2020-09-04 16:14:23,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:14:23,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418304512] [2020-09-04 16:14:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:14:23,278 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:14:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:14:23,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:14:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:14:24,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:14:24,568 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:14:24,569 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:14:24,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 16:14:24,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:14:24 BoogieIcfgContainer [2020-09-04 16:14:24,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:14:24,698 INFO L168 Benchmark]: Toolchain (without parser) took 31679.48 ms. Allocated memory was 137.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 102.3 MB in the beginning and 368.3 MB in the end (delta: -266.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,699 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.87 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 92.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,700 INFO L168 Benchmark]: Boogie Preprocessor took 33.04 ms. Allocated memory is still 137.9 MB. Free memory was 92.7 MB in the beginning and 91.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,701 INFO L168 Benchmark]: RCFGBuilder took 373.41 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 91.4 MB in the beginning and 167.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,702 INFO L168 Benchmark]: TraceAbstraction took 30906.54 ms. Allocated memory was 200.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 167.2 MB in the beginning and 368.3 MB in the end (delta: -201.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-09-04 16:14:24,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.87 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 92.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.04 ms. Allocated memory is still 137.9 MB. Free memory was 92.7 MB in the beginning and 91.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 373.41 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 91.4 MB in the beginning and 167.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30906.54 ms. Allocated memory was 200.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 167.2 MB in the beginning and 368.3 MB in the end (delta: -201.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 10; [L25] CALL, EXPR fibo(x) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) [L25] int result = fibo(x); [L26] COND TRUE result == 55 [L27] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.6s, OverallIterations: 14, TraceHistogramMax: 219, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 472 SDtfs, 1382 SDslu, 1560 SDs, 0 SdLazy, 2290 SolverSat, 834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1390 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 189 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...