/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:19:59,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:19:59,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:19:59,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:19:59,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:19:59,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:19:59,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:19:59,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:19:59,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:19:59,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:19:59,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:19:59,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:19:59,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:19:59,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:19:59,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:19:59,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:19:59,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:19:59,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:19:59,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:19:59,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:19:59,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:19:59,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:19:59,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:19:59,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:19:59,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:19:59,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:19:59,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:19:59,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:19:59,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:19:59,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:19:59,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:19:59,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:19:59,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:19:59,452 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:19:59,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:19:59,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:19:59,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:19:59,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:19:59,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:19:59,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:19:59,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:19:59,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:19:59,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:19:59,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:19:59,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:19:59,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:19:59,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:19:59,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:19:59,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:19:59,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:19:59,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:19:59,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:19:59,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:19:59,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:19:59,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:19:59,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:19:59,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:19:59,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:19:59,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:19:59,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:19:59,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:19:59,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:19:59,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:19:59,794 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:19:59,795 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2020-08-22 16:19:59,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b030599b/d0bf412221fa4d5f8c290e5d3bf0131a/FLAG1f9457a59 [2020-08-22 16:20:00,301 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:20:00,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_10-1.c [2020-08-22 16:20:00,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b030599b/d0bf412221fa4d5f8c290e5d3bf0131a/FLAG1f9457a59 [2020-08-22 16:20:00,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b030599b/d0bf412221fa4d5f8c290e5d3bf0131a [2020-08-22 16:20:00,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:20:00,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:20:00,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:20:00,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:20:00,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:20:00,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1a841d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00, skipping insertion in model container [2020-08-22 16:20:00,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:20:00,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:20:00,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:20:00,904 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:20:00,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:20:00,930 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:20:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00 WrapperNode [2020-08-22 16:20:00,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:20:00,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:20:00,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:20:00,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:20:00,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... [2020-08-22 16:20:00,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:20:00,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:20:00,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:20:00,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:20:00,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:20:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:20:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:20:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-08-22 16:20:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:20:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-08-22 16:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:20:01,334 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:20:01,334 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:20:01,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:20:01 BoogieIcfgContainer [2020-08-22 16:20:01,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:20:01,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:20:01,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:20:01,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:20:01,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:20:00" (1/3) ... [2020-08-22 16:20:01,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e35763d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:20:01, skipping insertion in model container [2020-08-22 16:20:01,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:20:00" (2/3) ... [2020-08-22 16:20:01,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e35763d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:20:01, skipping insertion in model container [2020-08-22 16:20:01,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:20:01" (3/3) ... [2020-08-22 16:20:01,357 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-1.c [2020-08-22 16:20:01,378 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:20:01,391 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:20:01,409 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:20:01,433 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:20:01,434 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:20:01,434 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:20:01,434 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:20:01,434 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:20:01,434 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:20:01,434 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:20:01,435 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:20:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 16:20:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 16:20:01,462 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:01,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:01,463 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:01,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:01,470 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-08-22 16:20:01,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:01,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196916405] [2020-08-22 16:20:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:20:01,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196916405] [2020-08-22 16:20:01,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:20:01,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:20:01,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230850098] [2020-08-22 16:20:01,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:20:01,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:01,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:20:01,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:20:01,717 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-22 16:20:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:01,811 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-08-22 16:20:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:20:01,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 16:20:01,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:01,826 INFO L225 Difference]: With dead ends: 35 [2020-08-22 16:20:01,827 INFO L226 Difference]: Without dead ends: 21 [2020-08-22 16:20:01,831 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 [2020-08-22 16:20:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-08-22 16:20:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-08-22 16:20:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-22 16:20:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-22 16:20:01,884 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-08-22 16:20:01,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:01,885 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-22 16:20:01,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:20:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-22 16:20:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 16:20:01,887 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:01,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:01,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:20:01,888 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:01,889 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-08-22 16:20:01,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:01,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769059991] [2020-08-22 16:20:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:20:01,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769059991] [2020-08-22 16:20:01,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:20:01,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:20:01,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116044359] [2020-08-22 16:20:01,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:20:01,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:01,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:20:01,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:20:01,965 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-08-22 16:20:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:02,043 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-08-22 16:20:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:20:02,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 16:20:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:02,047 INFO L225 Difference]: With dead ends: 27 [2020-08-22 16:20:02,047 INFO L226 Difference]: Without dead ends: 23 [2020-08-22 16:20:02,048 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 [2020-08-22 16:20:02,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-22 16:20:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-08-22 16:20:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-22 16:20:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-22 16:20:02,063 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-08-22 16:20:02,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:02,064 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-22 16:20:02,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:20:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-22 16:20:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 16:20:02,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:02,067 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] [2020-08-22 16:20:02,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:20:02,069 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:02,070 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-08-22 16:20:02,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:02,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722786523] [2020-08-22 16:20:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:20:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 16:20:02,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722786523] [2020-08-22 16:20:02,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841338732] [2020-08-22 16:20:02,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:20:02,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 16:20:02,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:02,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2020-08-22 16:20:02,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276603642] [2020-08-22 16:20:02,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:20:02,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:02,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:20:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:20:02,399 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 9 states. [2020-08-22 16:20:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:02,532 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-08-22 16:20:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:20:02,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-08-22 16:20:02,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:02,535 INFO L225 Difference]: With dead ends: 38 [2020-08-22 16:20:02,535 INFO L226 Difference]: Without dead ends: 23 [2020-08-22 16:20:02,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:20:02,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-22 16:20:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-08-22 16:20:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-08-22 16:20:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-08-22 16:20:02,548 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-08-22 16:20:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:02,549 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-08-22 16:20:02,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:20:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-08-22 16:20:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 16:20:02,552 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:02,552 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] [2020-08-22 16:20:02,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:20:02,760 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:02,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:02,761 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-08-22 16:20:02,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:02,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90997251] [2020-08-22 16:20:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:20:02,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90997251] [2020-08-22 16:20:02,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032900462] [2020-08-22 16:20:02,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:02,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:20:02,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:20:02,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:02,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-08-22 16:20:02,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680507002] [2020-08-22 16:20:02,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:20:02,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:02,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:20:02,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:20:02,955 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-08-22 16:20:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:03,048 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-08-22 16:20:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:20:03,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-22 16:20:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:03,051 INFO L225 Difference]: With dead ends: 41 [2020-08-22 16:20:03,051 INFO L226 Difference]: Without dead ends: 37 [2020-08-22 16:20:03,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:20:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-08-22 16:20:03,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-08-22 16:20:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-22 16:20:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-08-22 16:20:03,063 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-08-22 16:20:03,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:03,063 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-08-22 16:20:03,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:20:03,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-08-22 16:20:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 16:20:03,065 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:03,065 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:03,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:03,282 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:03,282 INFO L82 PathProgramCache]: Analyzing trace with hash 146085807, now seen corresponding path program 2 times [2020-08-22 16:20:03,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:03,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452288138] [2020-08-22 16:20:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 16:20:03,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452288138] [2020-08-22 16:20:03,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952001890] [2020-08-22 16:20:03,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:03,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-08-22 16:20:03,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:03,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:20:03,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-22 16:20:03,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:03,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2020-08-22 16:20:03,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735435907] [2020-08-22 16:20:03,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:20:03,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:03,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:20:03,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:20:03,619 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 12 states. [2020-08-22 16:20:03,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:03,842 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2020-08-22 16:20:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:20:03,843 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-08-22 16:20:03,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:03,845 INFO L225 Difference]: With dead ends: 72 [2020-08-22 16:20:03,845 INFO L226 Difference]: Without dead ends: 41 [2020-08-22 16:20:03,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:20:03,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-08-22 16:20:03,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-08-22 16:20:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-08-22 16:20:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-08-22 16:20:03,856 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2020-08-22 16:20:03,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:03,856 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-08-22 16:20:03,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:20:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-08-22 16:20:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-22 16:20:03,859 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:03,860 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:04,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:04,076 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:04,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:04,077 INFO L82 PathProgramCache]: Analyzing trace with hash 2001184551, now seen corresponding path program 3 times [2020-08-22 16:20:04,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:04,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904694024] [2020-08-22 16:20:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-22 16:20:04,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904694024] [2020-08-22 16:20:04,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028935090] [2020-08-22 16:20:04,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:04,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-08-22 16:20:04,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:04,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:20:04,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-08-22 16:20:04,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:04,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-08-22 16:20:04,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801101457] [2020-08-22 16:20:04,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:20:04,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:04,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:20:04,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:20:04,471 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 10 states. [2020-08-22 16:20:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:04,620 INFO L93 Difference]: Finished difference Result 88 states and 127 transitions. [2020-08-22 16:20:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:20:04,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-22 16:20:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:04,624 INFO L225 Difference]: With dead ends: 88 [2020-08-22 16:20:04,624 INFO L226 Difference]: Without dead ends: 53 [2020-08-22 16:20:04,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:20:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-08-22 16:20:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-08-22 16:20:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-08-22 16:20:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-08-22 16:20:04,635 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 68 [2020-08-22 16:20:04,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:04,636 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-08-22 16:20:04,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:20:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-08-22 16:20:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 16:20:04,641 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:04,641 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 8, 8, 8, 8, 8, 8, 8, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:04,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:04,855 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:04,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:04,855 INFO L82 PathProgramCache]: Analyzing trace with hash -19418837, now seen corresponding path program 4 times [2020-08-22 16:20:04,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:04,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571038925] [2020-08-22 16:20:04,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:04,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 47 proven. 280 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-08-22 16:20:05,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571038925] [2020-08-22 16:20:05,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827236132] [2020-08-22 16:20:05,273 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:05,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-08-22 16:20:05,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:05,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjunts are in the unsatisfiable core [2020-08-22 16:20:05,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 47 proven. 280 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-08-22 16:20:05,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:05,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-08-22 16:20:05,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693185854] [2020-08-22 16:20:05,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:20:05,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:05,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:20:05,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:20:05,401 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 10 states. [2020-08-22 16:20:05,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:05,588 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2020-08-22 16:20:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:20:05,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-08-22 16:20:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:05,595 INFO L225 Difference]: With dead ends: 120 [2020-08-22 16:20:05,595 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 16:20:05,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:20:05,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 16:20:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 107. [2020-08-22 16:20:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-08-22 16:20:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 162 transitions. [2020-08-22 16:20:05,638 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 162 transitions. Word has length 123 [2020-08-22 16:20:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:05,639 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 162 transitions. [2020-08-22 16:20:05,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:20:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2020-08-22 16:20:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 16:20:05,650 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:05,650 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:05,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-08-22 16:20:05,852 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:05,853 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 5 times [2020-08-22 16:20:05,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:05,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240301194] [2020-08-22 16:20:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:05,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 432 proven. 761 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2020-08-22 16:20:06,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240301194] [2020-08-22 16:20:06,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202955287] [2020-08-22 16:20:06,454 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:06,557 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2020-08-22 16:20:06,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:06,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2020-08-22 16:20:06,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2020-08-22 16:20:06,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:06,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 19 [2020-08-22 16:20:06,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314170049] [2020-08-22 16:20:06,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 16:20:06,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:06,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 16:20:06,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:20:06,758 INFO L87 Difference]: Start difference. First operand 107 states and 162 transitions. Second operand 19 states. [2020-08-22 16:20:07,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:07,558 INFO L93 Difference]: Finished difference Result 196 states and 368 transitions. [2020-08-22 16:20:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 16:20:07,559 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 218 [2020-08-22 16:20:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:07,567 INFO L225 Difference]: With dead ends: 196 [2020-08-22 16:20:07,567 INFO L226 Difference]: Without dead ends: 98 [2020-08-22 16:20:07,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=321, Invalid=1161, Unknown=0, NotChecked=0, Total=1482 [2020-08-22 16:20:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-22 16:20:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2020-08-22 16:20:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-22 16:20:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 116 transitions. [2020-08-22 16:20:07,603 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 116 transitions. Word has length 218 [2020-08-22 16:20:07,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:07,607 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 116 transitions. [2020-08-22 16:20:07,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 16:20:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2020-08-22 16:20:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 16:20:07,614 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:07,614 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:07,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:07,827 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:07,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:07,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1425621089, now seen corresponding path program 6 times [2020-08-22 16:20:07,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:07,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342654534] [2020-08-22 16:20:07,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:07,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:07,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-08-22 16:20:08,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342654534] [2020-08-22 16:20:08,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361932069] [2020-08-22 16:20:08,613 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:08,694 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2020-08-22 16:20:08,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:08,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 14 conjunts are in the unsatisfiable core [2020-08-22 16:20:08,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 331 proven. 821 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2020-08-22 16:20:08,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:08,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 12 [2020-08-22 16:20:08,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820664392] [2020-08-22 16:20:08,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:20:08,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:08,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:20:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:20:08,811 INFO L87 Difference]: Start difference. First operand 87 states and 116 transitions. Second operand 12 states. [2020-08-22 16:20:09,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:09,068 INFO L93 Difference]: Finished difference Result 269 states and 401 transitions. [2020-08-22 16:20:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 16:20:09,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-22 16:20:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:09,074 INFO L225 Difference]: With dead ends: 269 [2020-08-22 16:20:09,075 INFO L226 Difference]: Without dead ends: 265 [2020-08-22 16:20:09,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-08-22 16:20:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-08-22 16:20:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 250. [2020-08-22 16:20:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-08-22 16:20:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 371 transitions. [2020-08-22 16:20:09,112 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 371 transitions. Word has length 286 [2020-08-22 16:20:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:09,113 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 371 transitions. [2020-08-22 16:20:09,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:20:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 371 transitions. [2020-08-22 16:20:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-22 16:20:09,138 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:09,138 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:09,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:09,353 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:09,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:09,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1339067037, now seen corresponding path program 7 times [2020-08-22 16:20:09,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:09,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89976970] [2020-08-22 16:20:09,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:09,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 16:20:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:10,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2940 proven. 2962 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2020-08-22 16:20:11,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89976970] [2020-08-22 16:20:11,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674581767] [2020-08-22 16:20:11,397 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:11,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 18 conjunts are in the unsatisfiable core [2020-08-22 16:20:11,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 386 proven. 2689 refuted. 0 times theorem prover too weak. 13332 trivial. 0 not checked. [2020-08-22 16:20:11,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:11,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 21 [2020-08-22 16:20:11,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610708858] [2020-08-22 16:20:11,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 16:20:11,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:11,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 16:20:11,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-08-22 16:20:11,877 INFO L87 Difference]: Start difference. First operand 250 states and 371 transitions. Second operand 21 states. [2020-08-22 16:20:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:12,855 INFO L93 Difference]: Finished difference Result 390 states and 682 transitions. [2020-08-22 16:20:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 16:20:12,856 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 531 [2020-08-22 16:20:12,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:12,861 INFO L225 Difference]: With dead ends: 390 [2020-08-22 16:20:12,861 INFO L226 Difference]: Without dead ends: 154 [2020-08-22 16:20:12,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=499, Invalid=1951, Unknown=0, NotChecked=0, Total=2450 [2020-08-22 16:20:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-22 16:20:12,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-08-22 16:20:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-22 16:20:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2020-08-22 16:20:12,898 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 531 [2020-08-22 16:20:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:12,899 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2020-08-22 16:20:12,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 16:20:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2020-08-22 16:20:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-22 16:20:12,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:12,945 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 122, 75, 75, 75, 75, 75, 75, 75, 47, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:13,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:20:13,159 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:13,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2047979866, now seen corresponding path program 8 times [2020-08-22 16:20:13,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:13,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491539832] [2020-08-22 16:20:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:13,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 16:20:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 16:20:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 16:20:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 16:20:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 6633 proven. 9072 refuted. 0 times theorem prover too weak. 48076 trivial. 0 not checked. [2020-08-22 16:20:18,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491539832] [2020-08-22 16:20:18,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592428960] [2020-08-22 16:20:18,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:18,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-08-22 16:20:18,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:18,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 20 conjunts are in the unsatisfiable core [2020-08-22 16:20:18,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 764 proven. 6387 refuted. 0 times theorem prover too weak. 56630 trivial. 0 not checked. [2020-08-22 16:20:19,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:19,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13] total 24 [2020-08-22 16:20:19,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132455280] [2020-08-22 16:20:19,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-22 16:20:19,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-22 16:20:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:20:19,367 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand 24 states. [2020-08-22 16:20:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:20,623 INFO L93 Difference]: Finished difference Result 279 states and 510 transitions. [2020-08-22 16:20:20,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-22 16:20:20,625 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1035 [2020-08-22 16:20:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:20,633 INFO L225 Difference]: With dead ends: 279 [2020-08-22 16:20:20,633 INFO L226 Difference]: Without dead ends: 172 [2020-08-22 16:20:20,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1344 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=639, Invalid=2667, Unknown=0, NotChecked=0, Total=3306 [2020-08-22 16:20:20,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-08-22 16:20:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 150. [2020-08-22 16:20:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-08-22 16:20:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 230 transitions. [2020-08-22 16:20:20,654 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 230 transitions. Word has length 1035 [2020-08-22 16:20:20,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:20,655 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 230 transitions. [2020-08-22 16:20:20,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-22 16:20:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2020-08-22 16:20:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-22 16:20:20,677 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:20,678 INFO L422 BasicCegarLoop]: trace histogram [245, 245, 198, 122, 122, 122, 122, 122, 122, 122, 76, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:20,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:20,892 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:20,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:20,893 INFO L82 PathProgramCache]: Analyzing trace with hash 667367253, now seen corresponding path program 9 times [2020-08-22 16:20:20,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:20,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406666294] [2020-08-22 16:20:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:23,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:20:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:23,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 16:20:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:24,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 16:20:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 16:20:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 16:20:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 16:20:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 16:20:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-22 16:20:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 16:20:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 16:20:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:20:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 16:20:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 16:20:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 16:20:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:28,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:20:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:20:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 8170 proven. 13512 refuted. 0 times theorem prover too weak. 146905 trivial. 0 not checked. [2020-08-22 16:20:30,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406666294] [2020-08-22 16:20:30,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482818054] [2020-08-22 16:20:30,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:31,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 136 check-sat command(s) [2020-08-22 16:20:31,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-08-22 16:20:31,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 20 conjunts are in the unsatisfiable core [2020-08-22 16:20:31,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:20:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 168587 backedges. 56858 proven. 1014 refuted. 0 times theorem prover too weak. 110715 trivial. 0 not checked. [2020-08-22 16:20:32,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:20:32,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14] total 27 [2020-08-22 16:20:32,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931878493] [2020-08-22 16:20:32,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-08-22 16:20:32,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:20:32,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-08-22 16:20:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2020-08-22 16:20:32,709 INFO L87 Difference]: Start difference. First operand 150 states and 230 transitions. Second operand 27 states. [2020-08-22 16:20:34,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:20:34,276 INFO L93 Difference]: Finished difference Result 339 states and 608 transitions. [2020-08-22 16:20:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-08-22 16:20:34,277 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1675 [2020-08-22 16:20:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:20:34,283 INFO L225 Difference]: With dead ends: 339 [2020-08-22 16:20:34,283 INFO L226 Difference]: Without dead ends: 215 [2020-08-22 16:20:34,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2232 GetRequests, 2163 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=919, Invalid=4051, Unknown=0, NotChecked=0, Total=4970 [2020-08-22 16:20:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-22 16:20:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 180. [2020-08-22 16:20:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-08-22 16:20:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 271 transitions. [2020-08-22 16:20:34,310 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 271 transitions. Word has length 1675 [2020-08-22 16:20:34,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:20:34,313 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 271 transitions. [2020-08-22 16:20:34,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-08-22 16:20:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2020-08-22 16:20:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-22 16:20:34,328 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:20:34,328 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:20:34,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:20:34,529 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:20:34,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:20:34,530 INFO L82 PathProgramCache]: Analyzing trace with hash 452920407, now seen corresponding path program 10 times [2020-08-22 16:20:34,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:20:34,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318129891] [2020-08-22 16:20:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:20:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:20:35,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:20:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:20:35,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:20:35,413 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:20:35,413 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:20:35,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 16:20:35,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:20:35 BoogieIcfgContainer [2020-08-22 16:20:35,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:20:35,581 INFO L168 Benchmark]: Toolchain (without parser) took 34876.30 ms. Allocated memory was 145.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 101.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 412.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,582 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 145.2 MB. Free memory was 101.0 MB in the beginning and 91.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,586 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 ms. Allocated memory is still 145.2 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,587 INFO L168 Benchmark]: RCFGBuilder took 381.90 ms. Allocated memory was 145.2 MB in the beginning and 200.3 MB in the end (delta: 55.1 MB). Free memory was 90.3 MB in the beginning and 167.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,587 INFO L168 Benchmark]: TraceAbstraction took 34231.49 ms. Allocated memory was 200.3 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 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:20:35,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 145.2 MB. Free memory was 101.0 MB in the beginning and 91.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.66 ms. Allocated memory is still 145.2 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.90 ms. Allocated memory was 145.2 MB in the beginning and 200.3 MB in the end (delta: 55.1 MB). Free memory was 90.3 MB in the beginning and 167.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34231.49 ms. Allocated memory was 200.3 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 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 423.8 MB. 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; VAL [x=10] [L25] CALL, EXPR fibo(x) VAL [\old(n)=10] [L6] COND FALSE !(n < 1) VAL [\old(n)=10, n=10] [L8] COND FALSE !(n == 1) VAL [\old(n)=10, n=10] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=9] [L6] COND FALSE !(n < 1) VAL [\old(n)=9, n=9] [L8] COND FALSE !(n == 1) VAL [\old(n)=9, n=9] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=8] [L6] COND FALSE !(n < 1) VAL [\old(n)=8, n=8] [L8] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=7] [L6] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L8] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L6] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L8] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=8, fibo(n-1)=13, n=8] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=6] [L6] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L8] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=8, fibo(n-1)=13, fibo(n-2)=8, n=8] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=9, fibo(n-1)=21, n=9] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=7] [L6] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L8] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L6] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L8] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=9, fibo(n-1)=21, fibo(n-2)=13, n=9] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=10, fibo(n-1)=34, n=10] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=8] [L6] COND FALSE !(n < 1) VAL [\old(n)=8, n=8] [L8] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=7] [L6] COND FALSE !(n < 1) VAL [\old(n)=7, n=7] [L8] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=6] [L6] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L8] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=7, fibo(n-1)=8, n=7] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=7, fibo(n-1)=8, fibo(n-2)=5, n=7] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=8, fibo(n-1)=13, n=8] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=6] [L6] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L8] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=6, fibo(n-1)=5, n=6] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=6, fibo(n-1)=5, fibo(n-2)=3, n=6] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=8, fibo(n-1)=13, fibo(n-2)=8, n=8] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=10, fibo(n-1)=34, fibo(n-2)=21, n=10] [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) VAL [fibo(x)=55, x=10] [L25] int result = fibo(x); [L26] COND TRUE result == 55 VAL [result=55, x=10] [L27] __VERIFIER_error() VAL [result=55, x=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 33.9s, OverallIterations: 13, TraceHistogramMax: 245, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 1173 SDslu, 1220 SDs, 0 SdLazy, 3043 SolverSat, 1221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5519 GetRequests, 5223 SyntacticMatches, 0 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3019 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 126 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 9297 NumberOfCodeBlocks, 8456 NumberOfCodeBlocksAsserted, 206 NumberOfCheckSat, 8063 ConstructedInterpolants, 0 QuantifiedInterpolants, 10072029 SizeOfPredicates, 66 NumberOfNonLiveVariables, 7079 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 474224/513862 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...