/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:12:17,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:12:17,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:12:17,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:12:17,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:12:17,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:12:17,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:12:17,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:12:17,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:12:17,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:12:17,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:12:17,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:12:17,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:12:17,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:12:17,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:12:17,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:12:17,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:12:17,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:12:17,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:12:17,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:12:17,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:12:17,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:12:17,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:12:17,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:12:17,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:12:17,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:12:17,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:12:17,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:12:17,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:12:17,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:12:17,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:12:17,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:12:17,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:12:17,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:12:17,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:12:17,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:12:17,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:12:17,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:12:17,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:12:17,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:12:17,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:12:17,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:12:17,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:12:17,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:12:17,426 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:12:17,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:12:17,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:12:17,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:12:17,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:12:17,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:12:17,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:12:17,427 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:12:17,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:12:17,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:12:17,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:12:17,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:12:17,945 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:12:17,946 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-09-04 16:12:18,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed30b51a/760b01f5056c429287504fb341a22aeb/FLAG28cb9395f [2020-09-04 16:12:18,616 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:12:18,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-09-04 16:12:18,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed30b51a/760b01f5056c429287504fb341a22aeb/FLAG28cb9395f [2020-09-04 16:12:18,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ed30b51a/760b01f5056c429287504fb341a22aeb [2020-09-04 16:12:18,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:12:18,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:12:18,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:12:18,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:12:18,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:12:18,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:12:18" (1/1) ... [2020-09-04 16:12:18,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d084142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:18, skipping insertion in model container [2020-09-04 16:12:18,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:12:18" (1/1) ... [2020-09-04 16:12:19,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:12:19,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:12:19,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:12:19,259 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:12:19,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:12:19,299 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:12:19,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19 WrapperNode [2020-09-04 16:12:19,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:12:19,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:12:19,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:12:19,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:12:19,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... [2020-09-04 16:12:19,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:12:19,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:12:19,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:12:19,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:12:19,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:12:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:12:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:12:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-09-04 16:12:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:12:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:12:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 16:12:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-09-04 16:12:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:12:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:12:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:12:19,691 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:12:19,691 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:12:19,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:12:19 BoogieIcfgContainer [2020-09-04 16:12:19,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:12:19,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:12:19,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:12:19,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:12:19,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:12:18" (1/3) ... [2020-09-04 16:12:19,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b9312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:12:19, skipping insertion in model container [2020-09-04 16:12:19,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:12:19" (2/3) ... [2020-09-04 16:12:19,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b9312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:12:19, skipping insertion in model container [2020-09-04 16:12:19,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:12:19" (3/3) ... [2020-09-04 16:12:19,707 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-09-04 16:12:19,719 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:12:19,729 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:12:19,751 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:12:19,777 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:12:19,778 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:12:19,778 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:12:19,778 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:12:19,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:12:19,778 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:12:19,779 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:12:19,779 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:12:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-09-04 16:12:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-04 16:12:19,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:19,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:19,808 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:19,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:19,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2085313281, now seen corresponding path program 1 times [2020-09-04 16:12:19,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:19,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880023604] [2020-09-04 16:12:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:19,895 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:12:20,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880023604] [2020-09-04 16:12:20,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:20,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 16:12:20,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35331944] [2020-09-04 16:12:20,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 16:12:20,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:20,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 16:12:20,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:12:20,203 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-09-04 16:12:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:20,327 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-09-04 16:12:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:12:20,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-04 16:12:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:20,342 INFO L225 Difference]: With dead ends: 44 [2020-09-04 16:12:20,342 INFO L226 Difference]: Without dead ends: 28 [2020-09-04 16:12:20,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:12:20,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-04 16:12:20,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-04 16:12:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-04 16:12:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-04 16:12:20,403 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-09-04 16:12:20,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:20,404 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-04 16:12:20,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 16:12:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-04 16:12:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-04 16:12:20,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:20,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:20,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:12:20,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:20,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash -93144392, now seen corresponding path program 1 times [2020-09-04 16:12:20,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:20,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033183033] [2020-09-04 16:12:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:20,412 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 16:12:20,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033183033] [2020-09-04 16:12:20,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:20,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 16:12:20,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407567478] [2020-09-04 16:12:20,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 16:12:20,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:20,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 16:12:20,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:12:20,558 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-09-04 16:12:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:20,658 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-09-04 16:12:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:12:20,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-04 16:12:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:20,661 INFO L225 Difference]: With dead ends: 36 [2020-09-04 16:12:20,661 INFO L226 Difference]: Without dead ends: 30 [2020-09-04 16:12:20,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:12:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-04 16:12:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-09-04 16:12:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-04 16:12:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-04 16:12:20,675 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-09-04 16:12:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:20,676 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-04 16:12:20,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 16:12:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-04 16:12:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-04 16:12:20,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:20,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:20,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 16:12:20,680 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash 37359445, now seen corresponding path program 1 times [2020-09-04 16:12:20,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:20,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592639409] [2020-09-04 16:12:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:20,687 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-04 16:12:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-04 16:12:20,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592639409] [2020-09-04 16:12:20,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:20,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 16:12:20,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488694270] [2020-09-04 16:12:20,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 16:12:20,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:20,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 16:12:20,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:12:20,823 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-09-04 16:12:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:20,936 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-09-04 16:12:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 16:12:20,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-04 16:12:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:20,939 INFO L225 Difference]: With dead ends: 52 [2020-09-04 16:12:20,939 INFO L226 Difference]: Without dead ends: 30 [2020-09-04 16:12:20,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 16:12:20,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-04 16:12:20,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-04 16:12:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-04 16:12:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-09-04 16:12:20,952 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-09-04 16:12:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:20,953 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-09-04 16:12:20,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 16:12:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-09-04 16:12:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-04 16:12:20,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:20,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:20,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 16:12:20,956 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:20,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:20,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1599890626, now seen corresponding path program 1 times [2020-09-04 16:12:20,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:20,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214871360] [2020-09-04 16:12:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:20,960 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 16:12:21,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214871360] [2020-09-04 16:12:21,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:21,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 16:12:21,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547302893] [2020-09-04 16:12:21,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 16:12:21,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:21,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 16:12:21,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:12:21,114 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-09-04 16:12:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:21,244 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-09-04 16:12:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 16:12:21,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-04 16:12:21,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:21,247 INFO L225 Difference]: With dead ends: 56 [2020-09-04 16:12:21,247 INFO L226 Difference]: Without dead ends: 50 [2020-09-04 16:12:21,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-04 16:12:21,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-04 16:12:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-09-04 16:12:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-04 16:12:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-09-04 16:12:21,266 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-09-04 16:12:21,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:21,266 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-09-04 16:12:21,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 16:12:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-09-04 16:12:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-04 16:12:21,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:21,269 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:21,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 16:12:21,270 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:21,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:21,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1509057080, now seen corresponding path program 2 times [2020-09-04 16:12:21,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:21,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934709304] [2020-09-04 16:12:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:21,273 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 16:12:21,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934709304] [2020-09-04 16:12:21,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:21,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 16:12:21,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384112454] [2020-09-04 16:12:21,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 16:12:21,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:21,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 16:12:21,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-04 16:12:21,494 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-09-04 16:12:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:21,661 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-09-04 16:12:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 16:12:21,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-04 16:12:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:21,664 INFO L225 Difference]: With dead ends: 111 [2020-09-04 16:12:21,664 INFO L226 Difference]: Without dead ends: 67 [2020-09-04 16:12:21,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-09-04 16:12:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-09-04 16:12:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-09-04 16:12:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-04 16:12:21,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-09-04 16:12:21,683 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-09-04 16:12:21,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:21,684 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-09-04 16:12:21,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 16:12:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-09-04 16:12:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 16:12:21,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:21,687 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:21,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 16:12:21,687 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:21,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1009539825, now seen corresponding path program 3 times [2020-09-04 16:12:21,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:21,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819534481] [2020-09-04 16:12:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:21,691 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 16:12:21,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819534481] [2020-09-04 16:12:21,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:21,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 16:12:21,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432691488] [2020-09-04 16:12:21,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 16:12:21,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:21,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 16:12:21,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 16:12:21,904 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-09-04 16:12:22,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:22,055 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-09-04 16:12:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 16:12:22,056 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-09-04 16:12:22,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:22,060 INFO L225 Difference]: With dead ends: 89 [2020-09-04 16:12:22,060 INFO L226 Difference]: Without dead ends: 83 [2020-09-04 16:12:22,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-04 16:12:22,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-09-04 16:12:22,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-09-04 16:12:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-04 16:12:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-09-04 16:12:22,088 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-09-04 16:12:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:22,089 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-09-04 16:12:22,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 16:12:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-09-04 16:12:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-04 16:12:22,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:22,102 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:22,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 16:12:22,102 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:22,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:22,103 INFO L82 PathProgramCache]: Analyzing trace with hash -858055544, now seen corresponding path program 4 times [2020-09-04 16:12:22,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:22,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104303162] [2020-09-04 16:12:22,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:22,107 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 11 proven. 69 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-09-04 16:12:22,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104303162] [2020-09-04 16:12:22,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:22,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 16:12:22,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928387679] [2020-09-04 16:12:22,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 16:12:22,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:22,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 16:12:22,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-04 16:12:22,541 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-09-04 16:12:22,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:22,865 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-09-04 16:12:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-04 16:12:22,865 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-09-04 16:12:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:22,868 INFO L225 Difference]: With dead ends: 142 [2020-09-04 16:12:22,869 INFO L226 Difference]: Without dead ends: 73 [2020-09-04 16:12:22,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-09-04 16:12:22,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-04 16:12:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-09-04 16:12:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-04 16:12:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-09-04 16:12:22,885 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-09-04 16:12:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:22,885 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-09-04 16:12:22,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 16:12:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-09-04 16:12:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-04 16:12:22,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:22,888 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:22,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 16:12:22,888 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:22,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:22,889 INFO L82 PathProgramCache]: Analyzing trace with hash -145654990, now seen corresponding path program 5 times [2020-09-04 16:12:22,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:22,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356438587] [2020-09-04 16:12:22,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:22,892 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 97 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-09-04 16:12:23,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356438587] [2020-09-04 16:12:23,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:23,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 16:12:23,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712700131] [2020-09-04 16:12:23,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 16:12:23,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:23,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 16:12:23,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-04 16:12:23,527 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-09-04 16:12:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:24,021 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-09-04 16:12:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 16:12:24,021 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-09-04 16:12:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:24,023 INFO L225 Difference]: With dead ends: 149 [2020-09-04 16:12:24,023 INFO L226 Difference]: Without dead ends: 92 [2020-09-04 16:12:24,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-09-04 16:12:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-09-04 16:12:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-09-04 16:12:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-04 16:12:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2020-09-04 16:12:24,044 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 193 [2020-09-04 16:12:24,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:24,044 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2020-09-04 16:12:24,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 16:12:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2020-09-04 16:12:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-04 16:12:24,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:24,049 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:24,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 16:12:24,049 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:24,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:24,053 INFO L82 PathProgramCache]: Analyzing trace with hash -217722271, now seen corresponding path program 6 times [2020-09-04 16:12:24,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:24,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447596126] [2020-09-04 16:12:24,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:24,056 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-09-04 16:12:24,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447596126] [2020-09-04 16:12:24,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:24,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 16:12:24,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741992822] [2020-09-04 16:12:24,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 16:12:24,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 16:12:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-04 16:12:24,674 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand 10 states. [2020-09-04 16:12:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:24,938 INFO L93 Difference]: Finished difference Result 248 states and 324 transitions. [2020-09-04 16:12:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 16:12:24,938 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 228 [2020-09-04 16:12:24,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:24,945 INFO L225 Difference]: With dead ends: 248 [2020-09-04 16:12:24,945 INFO L226 Difference]: Without dead ends: 242 [2020-09-04 16:12:24,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-09-04 16:12:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-09-04 16:12:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 218. [2020-09-04 16:12:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-04 16:12:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 288 transitions. [2020-09-04 16:12:25,015 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 288 transitions. Word has length 228 [2020-09-04 16:12:25,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:25,017 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 288 transitions. [2020-09-04 16:12:25,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 16:12:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 288 transitions. [2020-09-04 16:12:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-09-04 16:12:25,028 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:25,028 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 15, 15, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:25,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 16:12:25,029 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:25,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:25,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1841895806, now seen corresponding path program 7 times [2020-09-04 16:12:25,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:25,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391025338] [2020-09-04 16:12:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:25,034 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:25,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 196 proven. 229 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2020-09-04 16:12:26,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391025338] [2020-09-04 16:12:26,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:26,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 16:12:26,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392772002] [2020-09-04 16:12:26,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 16:12:26,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:26,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 16:12:26,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-09-04 16:12:26,407 INFO L87 Difference]: Start difference. First operand 218 states and 288 transitions. Second operand 17 states. [2020-09-04 16:12:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:27,260 INFO L93 Difference]: Finished difference Result 351 states and 539 transitions. [2020-09-04 16:12:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 16:12:27,260 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 422 [2020-09-04 16:12:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:27,263 INFO L225 Difference]: With dead ends: 351 [2020-09-04 16:12:27,263 INFO L226 Difference]: Without dead ends: 143 [2020-09-04 16:12:27,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-09-04 16:12:27,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-04 16:12:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2020-09-04 16:12:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-04 16:12:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 162 transitions. [2020-09-04 16:12:27,286 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 162 transitions. Word has length 422 [2020-09-04 16:12:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:27,287 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 162 transitions. [2020-09-04 16:12:27,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 16:12:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-09-04 16:12:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-09-04 16:12:27,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:27,304 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 24, 24, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:27,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 16:12:27,305 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:27,305 INFO L82 PathProgramCache]: Analyzing trace with hash -828972613, now seen corresponding path program 8 times [2020-09-04 16:12:27,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:27,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112156190] [2020-09-04 16:12:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:27,310 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:27,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:29,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 361 proven. 410 refuted. 0 times theorem prover too weak. 2919 trivial. 0 not checked. [2020-09-04 16:12:30,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112156190] [2020-09-04 16:12:30,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:30,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:12:30,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907000073] [2020-09-04 16:12:30,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:12:30,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:12:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:12:30,241 INFO L87 Difference]: Start difference. First operand 125 states and 162 transitions. Second operand 19 states. [2020-09-04 16:12:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:31,243 INFO L93 Difference]: Finished difference Result 275 states and 425 transitions. [2020-09-04 16:12:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-04 16:12:31,246 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 686 [2020-09-04 16:12:31,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:31,252 INFO L225 Difference]: With dead ends: 275 [2020-09-04 16:12:31,252 INFO L226 Difference]: Without dead ends: 160 [2020-09-04 16:12:31,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=442, Invalid=1814, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 16:12:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-04 16:12:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2020-09-04 16:12:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-04 16:12:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2020-09-04 16:12:31,285 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 686 [2020-09-04 16:12:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:31,286 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2020-09-04 16:12:31,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:12:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2020-09-04 16:12:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-09-04 16:12:31,340 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:31,341 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:31,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 16:12:31,341 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:31,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:31,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2014565749, now seen corresponding path program 9 times [2020-09-04 16:12:31,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:31,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168343845] [2020-09-04 16:12:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:31,350 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:32,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:33,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:12:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:34,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:35,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12095 backedges. 214 proven. 824 refuted. 0 times theorem prover too weak. 11057 trivial. 0 not checked. [2020-09-04 16:12:36,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168343845] [2020-09-04 16:12:36,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:36,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-09-04 16:12:36,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531160429] [2020-09-04 16:12:36,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-04 16:12:36,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:36,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-04 16:12:36,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2020-09-04 16:12:36,795 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand 21 states. [2020-09-04 16:12:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:38,175 INFO L93 Difference]: Finished difference Result 334 states and 557 transitions. [2020-09-04 16:12:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-04 16:12:38,176 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1197 [2020-09-04 16:12:38,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:38,182 INFO L225 Difference]: With dead ends: 334 [2020-09-04 16:12:38,182 INFO L226 Difference]: Without dead ends: 199 [2020-09-04 16:12:38,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=550, Invalid=2312, Unknown=0, NotChecked=0, Total=2862 [2020-09-04 16:12:38,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-09-04 16:12:38,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 171. [2020-09-04 16:12:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-04 16:12:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2020-09-04 16:12:38,209 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 1197 [2020-09-04 16:12:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:38,211 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2020-09-04 16:12:38,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-04 16:12:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2020-09-04 16:12:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-09-04 16:12:38,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:38,224 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 34, 34, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:38,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 16:12:38,225 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:38,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:38,225 INFO L82 PathProgramCache]: Analyzing trace with hash 959941073, now seen corresponding path program 10 times [2020-09-04 16:12:38,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:38,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190748057] [2020-09-04 16:12:38,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:38,229 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:41,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:12:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7976 trivial. 0 not checked. [2020-09-04 16:12:45,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190748057] [2020-09-04 16:12:45,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:45,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-09-04 16:12:45,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961212993] [2020-09-04 16:12:45,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-04 16:12:45,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:45,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-04 16:12:45,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-09-04 16:12:45,161 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand 28 states. [2020-09-04 16:12:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:46,889 INFO L93 Difference]: Finished difference Result 195 states and 284 transitions. [2020-09-04 16:12:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-04 16:12:46,890 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 968 [2020-09-04 16:12:46,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:46,894 INFO L225 Difference]: With dead ends: 195 [2020-09-04 16:12:46,895 INFO L226 Difference]: Without dead ends: 189 [2020-09-04 16:12:46,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=2579, Unknown=0, NotChecked=0, Total=2756 [2020-09-04 16:12:46,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-04 16:12:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2020-09-04 16:12:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-04 16:12:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 270 transitions. [2020-09-04 16:12:46,921 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 270 transitions. Word has length 968 [2020-09-04 16:12:46,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:46,921 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 270 transitions. [2020-09-04 16:12:46,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-09-04 16:12:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2020-09-04 16:12:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-09-04 16:12:46,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:46,934 INFO L422 BasicCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 42, 42, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:46,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 16:12:46,935 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:46,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash 886142123, now seen corresponding path program 11 times [2020-09-04 16:12:46,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:46,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264591709] [2020-09-04 16:12:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:46,940 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:47,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:12:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-09-04 16:12:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12150 backedges. 274 proven. 761 refuted. 0 times theorem prover too weak. 11115 trivial. 0 not checked. [2020-09-04 16:12:51,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264591709] [2020-09-04 16:12:51,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:51,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 16:12:51,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693947951] [2020-09-04 16:12:51,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 16:12:51,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:51,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 16:12:51,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-09-04 16:12:51,288 INFO L87 Difference]: Start difference. First operand 185 states and 270 transitions. Second operand 19 states. [2020-09-04 16:12:52,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:52,304 INFO L93 Difference]: Finished difference Result 362 states and 539 transitions. [2020-09-04 16:12:52,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 16:12:52,305 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1197 [2020-09-04 16:12:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:52,310 INFO L225 Difference]: With dead ends: 362 [2020-09-04 16:12:52,310 INFO L226 Difference]: Without dead ends: 199 [2020-09-04 16:12:52,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 16:12:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-09-04 16:12:52,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 162. [2020-09-04 16:12:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-04 16:12:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 229 transitions. [2020-09-04 16:12:52,333 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 229 transitions. Word has length 1197 [2020-09-04 16:12:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:52,334 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 229 transitions. [2020-09-04 16:12:52,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 16:12:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2020-09-04 16:12:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2020-09-04 16:12:52,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:12:52,350 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 122, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 47, 47, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:12:52,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 16:12:52,350 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:12:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:12:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash 638022148, now seen corresponding path program 12 times [2020-09-04 16:12:52,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:12:52,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920606238] [2020-09-04 16:12:52,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:12:52,356 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:12:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:12:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 16:12:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:53,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:54,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 16:12:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-09-04 16:12:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-09-04 16:12:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 16:12:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 16:12:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 16:12:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-04 16:12:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 16:12:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-04 16:12:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 16:12:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:12:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15530 backedges. 3 proven. 555 refuted. 0 times theorem prover too weak. 14972 trivial. 0 not checked. [2020-09-04 16:12:57,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920606238] [2020-09-04 16:12:57,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:12:57,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 16:12:57,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154448989] [2020-09-04 16:12:57,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 16:12:57,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:12:57,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 16:12:57,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-09-04 16:12:57,563 INFO L87 Difference]: Start difference. First operand 162 states and 229 transitions. Second operand 14 states. [2020-09-04 16:12:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:12:58,119 INFO L93 Difference]: Finished difference Result 303 states and 447 transitions. [2020-09-04 16:12:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 16:12:58,120 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1338 [2020-09-04 16:12:58,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:12:58,127 INFO L225 Difference]: With dead ends: 303 [2020-09-04 16:12:58,127 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:12:58,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2020-09-04 16:12:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:12:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:12:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:12:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:12:58,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1338 [2020-09-04 16:12:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:12:58,136 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:12:58,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 16:12:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:12:58,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:12:58,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 16:12:58,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:13:06,281 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2020-09-04 16:13:06,435 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 6 [2020-09-04 16:13:07,761 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 169 DAG size of output: 80 [2020-09-04 16:13:08,639 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 16:13:08,769 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 8 [2020-09-04 16:13:09,637 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-09-04 16:13:10,658 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 168 DAG size of output: 77 [2020-09-04 16:13:11,942 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 186 DAG size of output: 99 [2020-09-04 16:13:13,228 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 80 [2020-09-04 16:13:13,557 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 6 [2020-09-04 16:13:14,310 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2020-09-04 16:13:14,445 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 3 [2020-09-04 16:13:14,458 INFO L264 CegarLoopResult]: At program point fibonacciFINAL(lines 14 22) the Hoare annotation is: (and (or (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (let ((.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and .cse0 (<= |fibonacci_#in~n| 0)) (and (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse0 (<= 34 |fibonacci_#res|)) (and (<= 10 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#res| 2) (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) (<= 2 |fibonacci_#res|)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|) .cse0 (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7)) (and (<= |fibonacci_#in~n| 6) .cse0 (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8) (<= 6 |fibonacci_#in~n|)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= 4 fibonacci_~n) .cse0 (<= fibonacci_~n 4)) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#in~n| 2) (<= 1 |fibonacci_#res|) .cse0 (<= |fibonacci_#res| 1))))) [2020-09-04 16:13:14,458 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-09-04 16:13:14,459 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-09-04 16:13:14,459 INFO L264 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: (let ((.cse11 (<= 1 |fibonacci_#t~ret0|)) (.cse12 (<= |fibonacci_#t~ret0| 1)) (.cse0 (<= |fibonacci_#in~n| 3)) (.cse2 (<= 3 |fibonacci_#in~n|)) (.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse3 (and (<= 10 |fibonacci_#in~n|) .cse1)) (.cse5 (and (<= fibonacci_~n 9) (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) .cse1 (<= |fibonacci_#t~ret0| 21))) (.cse10 (and .cse11 .cse12 .cse0 .cse2)) (.cse6 (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) .cse1 (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5))) (.cse7 (and (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse1 (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse4 (<= |fibonacci_#in~n| 2)) (.cse8 (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) .cse1 (<= 6 |fibonacci_#in~n|))) (.cse9 (and (<= |fibonacci_#t~ret0| 8) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7)))) (and (or (and .cse0 .cse1 .cse2) .cse3 (and (<= 4 fibonacci_~n) .cse1 (<= fibonacci_~n 4)) (and .cse4 .cse1 (<= 2 |fibonacci_#in~n|)) .cse5 .cse6 .cse7 .cse8 .cse9) (or (not .cse2) .cse10 (not .cse0)) (or .cse3 .cse5 .cse10 (and .cse2 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)) .cse6 .cse7 (and .cse4 .cse11 .cse12) .cse8 .cse9)))) [2020-09-04 16:13:14,459 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (<= |fibonacci_#in~n| 1) (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) [2020-09-04 16:13:14,460 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse11 (<= 1 |fibonacci_#t~ret0|)) (.cse12 (<= |fibonacci_#t~ret0| 1)) (.cse0 (<= |fibonacci_#in~n| 3)) (.cse2 (<= 3 |fibonacci_#in~n|)) (.cse1 (= fibonacci_~n |fibonacci_#in~n|))) (let ((.cse3 (and (<= 10 |fibonacci_#in~n|) .cse1)) (.cse5 (and (<= fibonacci_~n 9) (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) .cse1 (<= |fibonacci_#t~ret0| 21))) (.cse10 (and .cse11 .cse12 .cse0 .cse2)) (.cse6 (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) .cse1 (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5))) (.cse7 (and (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse1 (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse4 (<= |fibonacci_#in~n| 2)) (.cse8 (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) .cse1 (<= 6 |fibonacci_#in~n|))) (.cse9 (and (<= |fibonacci_#t~ret0| 8) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7)))) (and (or (and .cse0 .cse1 .cse2) .cse3 (and (<= 4 fibonacci_~n) .cse1 (<= fibonacci_~n 4)) (and .cse4 .cse1 (<= 2 |fibonacci_#in~n|)) .cse5 .cse6 .cse7 .cse8 .cse9) (or (not .cse2) .cse10 (not .cse0)) (or .cse3 .cse5 .cse10 (and .cse2 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)) .cse6 .cse7 (and .cse4 .cse11 .cse12) .cse8 .cse9)))) [2020-09-04 16:13:14,460 INFO L264 CegarLoopResult]: At program point fibonacciEXIT(lines 14 22) the Hoare annotation is: (and (or (and (<= 0 |fibonacci_#res|) (<= |fibonacci_#res| 0)) (< 0 fibonacci_~n)) (let ((.cse0 (= fibonacci_~n |fibonacci_#in~n|))) (or (and .cse0 (<= |fibonacci_#in~n| 0)) (and (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse0 (<= 34 |fibonacci_#res|)) (and (<= 10 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#res| 2) (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|) (<= 2 |fibonacci_#res|)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#res|) .cse0 (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7)) (and (<= |fibonacci_#in~n| 6) .cse0 (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8) (<= 6 |fibonacci_#in~n|)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) (<= 4 fibonacci_~n) .cse0 (<= fibonacci_~n 4)) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= |fibonacci_#in~n| 2) (<= 1 |fibonacci_#res|) .cse0 (<= |fibonacci_#res| 1))))) [2020-09-04 16:13:14,460 INFO L264 CegarLoopResult]: At program point L17(lines 17 21) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) [2020-09-04 16:13:14,460 INFO L264 CegarLoopResult]: At program point L20-3(line 20) the Hoare annotation is: (let ((.cse8 (= fibonacci_~n |fibonacci_#in~n|)) (.cse4 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|))) (let ((.cse0 (and (<= .cse4 21) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse8 (<= 21 .cse4) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse1 (and (<= 34 .cse4) (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) .cse8 (<= .cse4 34) (<= |fibonacci_#t~ret0| 21))) (.cse2 (and (<= |fibonacci_#t~ret0| 8) (<= .cse4 13) (<= 13 .cse4) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7))) (.cse3 (and (<= 10 |fibonacci_#in~n|) .cse8)) (.cse7 (and (<= .cse4 8) (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) .cse8 (<= 8 .cse4) (<= 6 |fibonacci_#in~n|)))) (and (let ((.cse5 (<= 1 |fibonacci_#t~ret0|)) (.cse6 (<= |fibonacci_#t~ret0| 1))) (or .cse0 .cse1 .cse2 .cse3 (and (<= .cse4 1) (<= 1 .cse4) (<= |fibonacci_#in~n| 2) .cse5 .cse6 (<= 2 |fibonacci_#in~n|)) (and (<= 2 .cse4) (<= .cse4 2) .cse5 .cse6 (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|)) .cse7 (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) (<= 5 .cse4) (<= .cse4 5) (<= 3 |fibonacci_#t~ret0|)) (and (<= 4 fibonacci_~n) (<= .cse4 3) (<= 3 .cse4) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2) (<= fibonacci_~n 4)))) (or (and .cse8 (<= |fibonacci_#in~n| 5)) .cse0 .cse1 .cse2 .cse3 .cse7)))) [2020-09-04 16:13:14,460 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| 0)) [2020-09-04 16:13:14,461 INFO L264 CegarLoopResult]: At program point L20-4(line 20) the Hoare annotation is: (let ((.cse8 (= fibonacci_~n |fibonacci_#in~n|)) (.cse4 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|))) (let ((.cse0 (and (<= .cse4 21) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse8 (<= 21 .cse4) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse1 (and (<= 34 .cse4) (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) .cse8 (<= .cse4 34) (<= |fibonacci_#t~ret0| 21))) (.cse2 (and (<= |fibonacci_#t~ret0| 8) (<= .cse4 13) (<= 13 .cse4) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7))) (.cse3 (and (<= 10 |fibonacci_#in~n|) .cse8)) (.cse7 (and (<= .cse4 8) (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) .cse8 (<= 8 .cse4) (<= 6 |fibonacci_#in~n|)))) (and (let ((.cse5 (<= 1 |fibonacci_#t~ret0|)) (.cse6 (<= |fibonacci_#t~ret0| 1))) (or .cse0 .cse1 .cse2 .cse3 (and (<= .cse4 1) (<= 1 .cse4) (<= |fibonacci_#in~n| 2) .cse5 .cse6 (<= 2 |fibonacci_#in~n|)) (and (<= 2 .cse4) (<= .cse4 2) .cse5 .cse6 (<= |fibonacci_#in~n| 3) (<= 3 |fibonacci_#in~n|)) .cse7 (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) (<= 5 .cse4) (<= .cse4 5) (<= 3 |fibonacci_#t~ret0|)) (and (<= 4 fibonacci_~n) (<= .cse4 3) (<= 3 .cse4) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2) (<= fibonacci_~n 4)))) (or (and .cse8 (<= |fibonacci_#in~n| 5)) .cse0 .cse1 .cse2 .cse3 .cse7)))) [2020-09-04 16:13:14,461 INFO L264 CegarLoopResult]: At program point L15(lines 15 21) the Hoare annotation is: (= fibonacci_~n |fibonacci_#in~n|) [2020-09-04 16:13:14,461 INFO L264 CegarLoopResult]: At program point L20-5(line 20) the Hoare annotation is: (let ((.cse2 (= fibonacci_~n |fibonacci_#in~n|)) (.cse11 (+ |fibonacci_#t~ret1| |fibonacci_#t~ret0|))) (let ((.cse0 (and (<= |fibonacci_#t~ret0| 8) (<= |fibonacci_#res| 13) (<= .cse11 13) (<= 13 .cse11) (<= 13 |fibonacci_#res|) (<= 7 fibonacci_~n) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7) (<= fibonacci_~n 7))) (.cse4 (and (<= 10 |fibonacci_#in~n|) .cse2)) (.cse5 (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= .cse11 21) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) .cse2 (<= 21 .cse11) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|))) (.cse6 (<= 4 fibonacci_~n)) (.cse1 (<= |fibonacci_#in~n| 3)) (.cse3 (<= 3 |fibonacci_#in~n|)) (.cse7 (<= |fibonacci_#in~n| 2)) (.cse8 (and (<= 34 .cse11) (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) .cse2 (<= .cse11 34) (<= |fibonacci_#t~ret0| 21) (<= 34 |fibonacci_#res|))) (.cse9 (and (<= .cse11 8) (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) .cse2 (<= |fibonacci_#res| 8) (<= 8 |fibonacci_#res|) (<= 8 .cse11) (<= 6 |fibonacci_#in~n|))) (.cse10 (and (<= |fibonacci_#res| 5) (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 3) (<= 5 |fibonacci_#res|) .cse2 (<= 5 .cse11) (<= .cse11 5) (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse2 (<= fibonacci_~n 4)) (and .cse7 .cse2 (<= 2 |fibonacci_#in~n|)) .cse8 .cse9 .cse10) (let ((.cse12 (<= 1 |fibonacci_#t~ret0|)) (.cse13 (<= |fibonacci_#t~ret0| 1))) (or .cse0 .cse4 .cse5 (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) .cse6 (<= .cse11 3) (<= 3 .cse11) (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2)) (and (<= |fibonacci_#res| 2) (<= 2 .cse11) (<= .cse11 2) .cse12 .cse13 .cse1 .cse3 (<= 2 |fibonacci_#res|)) (and (<= .cse11 1) (<= 1 .cse11) .cse7 .cse12 (<= 1 |fibonacci_#res|) .cse13 (<= |fibonacci_#res| 1)) .cse8 .cse9 .cse10))))) [2020-09-04 16:13:14,461 INFO L264 CegarLoopResult]: At program point L20-6(line 20) the Hoare annotation is: (let ((.cse3 (<= 1 |fibonacci_#t~ret0|)) (.cse4 (<= |fibonacci_#t~ret0| 1)) (.cse2 (<= |fibonacci_#in~n| 3)) (.cse1 (<= 3 |fibonacci_#in~n|))) (let ((.cse0 (and (<= |fibonacci_#res| 2) .cse3 .cse4 .cse2 .cse1 (<= 2 |fibonacci_#res|)))) (and (or .cse0 (not .cse1) (not .cse2)) (= fibonacci_~n |fibonacci_#in~n|) (or (and (<= 21 |fibonacci_#t~ret0|) (<= 9 fibonacci_~n) (<= |fibonacci_#res| 34) (<= |fibonacci_#t~ret0| 21) (<= 34 |fibonacci_#res|)) .cse0 (<= 10 |fibonacci_#in~n|) (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 5) (<= 8 |fibonacci_#res|) (<= |fibonacci_#res| 8) (<= 6 |fibonacci_#in~n|)) (and (<= |fibonacci_#t~ret0| 8) (<= |fibonacci_#res| 13) (<= 13 |fibonacci_#res|) (<= 7 |fibonacci_#in~n|) (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#res| 5) (<= |fibonacci_#t~ret0| 3) (<= 5 |fibonacci_#res|) (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#res| 21) (<= 21 |fibonacci_#res|) (<= |fibonacci_#in~n| 8) (<= 8 |fibonacci_#in~n|) (<= |fibonacci_#t~ret0| 13) (<= 13 |fibonacci_#t~ret0|)) (and (<= |fibonacci_#res| 3) (<= 3 |fibonacci_#res|) .cse1 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#t~ret0| 2) (<= fibonacci_~n 4)) (and (<= |fibonacci_#in~n| 2) .cse3 (<= 1 |fibonacci_#res|) .cse4 (<= |fibonacci_#res| 1) (<= 2 |fibonacci_#in~n|)))))) [2020-09-04 16:13:14,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) the Hoare annotation is: false [2020-09-04 16:13:14,462 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: false [2020-09-04 16:13:14,462 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 33) the Hoare annotation is: true [2020-09-04 16:13:14,462 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (<= 9 main_~x~0) [2020-09-04 16:13:14,462 INFO L264 CegarLoopResult]: At program point L28(lines 28 32) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 main_~result~0) (<= main_~result~0 34)) [2020-09-04 16:13:14,462 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-09-04 16:13:14,463 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 |main_#t~ret2|) (<= |main_#t~ret2| 34)) [2020-09-04 16:13:14,463 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 |main_#t~ret2|) (<= |main_#t~ret2| 34)) [2020-09-04 16:13:14,463 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-09-04 16:13:14,463 INFO L264 CegarLoopResult]: At program point L27-3(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0) (<= 34 main_~result~0) (<= 34 |main_#t~ret2|) (<= main_~result~0 34) (<= |main_#t~ret2| 34)) [2020-09-04 16:13:14,463 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-09-04 16:13:14,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:13:14 BoogieIcfgContainer [2020-09-04 16:13:14,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:13:14,493 INFO L168 Benchmark]: Toolchain (without parser) took 55508.43 ms. Allocated memory was 138.4 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 103.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,496 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.02 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 93.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,497 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 138.4 MB. Free memory was 93.9 MB in the beginning and 92.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,498 INFO L168 Benchmark]: RCFGBuilder took 366.24 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 168.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,500 INFO L168 Benchmark]: TraceAbstraction took 54793.25 ms. Allocated memory was 201.3 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 168.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-09-04 16:13:14,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.02 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 93.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 138.4 MB. Free memory was 93.9 MB in the beginning and 92.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.24 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 168.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54793.25 ms. Allocated memory was 201.3 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 168.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for fibonacci Derived contract for procedure fibonacci: ((0 <= \result && \result <= 0) || 0 < n) && ((((((((((n == \old(n) && \old(n) <= 0) || (((9 <= n && \result <= 34) && n == \old(n)) && 34 <= \result)) || (10 <= \old(n) && n == \old(n))) || ((((\result <= 2 && \old(n) <= 3) && n == \old(n)) && 3 <= \old(n)) && 2 <= \result)) || ((((5 <= \old(n) && \result <= 5) && 5 <= \result) && n == \old(n)) && \old(n) <= 5)) || (((((\result <= 13 && 13 <= \result) && 7 <= n) && 7 <= \old(n)) && \old(n) <= 7) && n <= 7)) || ((((\old(n) <= 6 && n == \old(n)) && 8 <= \result) && \result <= 8) && 6 <= \old(n))) || ((((\result <= 3 && 3 <= \result) && 4 <= n) && n == \old(n)) && n <= 4)) || ((((\result <= 21 && 21 <= \result) && \old(n) <= 8) && 8 <= \old(n)) && n == \old(n))) || (((\old(n) <= 2 && 1 <= \result) && n == \old(n)) && \result <= 1)) - ProcedureContractResult [Line: 25]: Procedure Contract for main Derived contract for procedure main: 9 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.3s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 674 SDtfs, 1431 SDslu, 3549 SDs, 0 SdLazy, 4360 SolverSat, 915 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2078 GetRequests, 1734 SyntacticMatches, 0 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2355 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred 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: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 2285 PreInvPairs, 3885 NumberOfFragments, 2233 HoareAnnotationTreeSize, 2285 FomulaSimplifications, 22406 FormulaSimplificationTreeSizeReduction, 7.3s HoareSimplificationTime, 31 FomulaSimplificationsInter, 37576 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...