/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:52:21,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:52:21,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:52:21,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 21:52:21,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:52:21,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:52:21,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:52:21,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:52:21,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:52:21,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:52:21,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:52:21,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:52:21,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:52:21,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:52:21,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:52:21,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:52:21,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 21:52:21,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:52:21,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:52:21,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:52:21,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:52:21,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:52:21,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:52:21,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:52:21,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:52:21,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:52:21,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:52:21,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:52:21,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:52:21,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:52:21,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:52:21,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:52:21,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:52:21,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:52:21,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:52:21,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:52:21,342 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:52:21,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:52:21,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:52:21,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:52:21,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:52:21,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:52:21,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:52:21,343 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:52:21,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:52:21,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:52:21,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:52:21,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:52:21,632 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:52:21,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-22 21:52:21,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6417bf7/5102b52763d64df7b896fd8a868c0065/FLAGdec1780f3 [2020-08-22 21:52:22,124 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:52:22,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Fibonacci02.c [2020-08-22 21:52:22,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6417bf7/5102b52763d64df7b896fd8a868c0065/FLAGdec1780f3 [2020-08-22 21:52:22,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6417bf7/5102b52763d64df7b896fd8a868c0065 [2020-08-22 21:52:22,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:52:22,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:52:22,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:52:22,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:52:22,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:52:22,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b8ed23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22, skipping insertion in model container [2020-08-22 21:52:22,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:52:22,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:52:22,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:52:22,756 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:52:22,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:52:22,791 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:52:22,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22 WrapperNode [2020-08-22 21:52:22,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:52:22,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:52:22,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:52:22,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:52:22,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... [2020-08-22 21:52:22,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:52:22,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:52:22,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:52:22,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:52:22,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:52:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:52:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:52:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-22 21:52:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:52:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:52:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:52:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-22 21:52:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:52:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:52:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:52:23,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:52:23,130 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 21:52:23,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:52:23 BoogieIcfgContainer [2020-08-22 21:52:23,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:52:23,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:52:23,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:52:23,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:52:23,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:52:22" (1/3) ... [2020-08-22 21:52:23,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73355876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:52:23, skipping insertion in model container [2020-08-22 21:52:23,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:52:22" (2/3) ... [2020-08-22 21:52:23,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73355876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:52:23, skipping insertion in model container [2020-08-22 21:52:23,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:52:23" (3/3) ... [2020-08-22 21:52:23,142 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2020-08-22 21:52:23,152 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:52:23,159 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:52:23,171 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:52:23,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:52:23,193 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:52:23,193 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:52:23,193 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:52:23,193 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:52:23,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:52:23,194 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:52:23,194 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:52:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-08-22 21:52:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 21:52:23,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:23,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:52:23,218 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:23,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2085313281, now seen corresponding path program 1 times [2020-08-22 21:52:23,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:23,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685321099] [2020-08-22 21:52:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:52:23,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685321099] [2020-08-22 21:52:23,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:52:23,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:52:23,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971642394] [2020-08-22 21:52:23,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:52:23,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:23,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:52:23,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:52:23,549 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-08-22 21:52:23,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:23,668 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-08-22 21:52:23,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:52:23,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-08-22 21:52:23,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:23,680 INFO L225 Difference]: With dead ends: 44 [2020-08-22 21:52:23,680 INFO L226 Difference]: Without dead ends: 28 [2020-08-22 21:52:23,684 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 [2020-08-22 21:52:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-08-22 21:52:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-08-22 21:52:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 21:52:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-08-22 21:52:23,740 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-08-22 21:52:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:23,740 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-08-22 21:52:23,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:52:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-08-22 21:52:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 21:52:23,743 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:23,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:52:23,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:52:23,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:23,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:23,744 INFO L82 PathProgramCache]: Analyzing trace with hash -93144392, now seen corresponding path program 1 times [2020-08-22 21:52:23,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:23,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226021066] [2020-08-22 21:52:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:52:23,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226021066] [2020-08-22 21:52:23,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:52:23,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:52:23,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836604976] [2020-08-22 21:52:23,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:52:23,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:23,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:52:23,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:52:23,811 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-08-22 21:52:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:23,874 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-08-22 21:52:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:52:23,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-08-22 21:52:23,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:23,877 INFO L225 Difference]: With dead ends: 36 [2020-08-22 21:52:23,878 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 21:52:23,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 21:52:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 21:52:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-08-22 21:52:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-22 21:52:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-08-22 21:52:23,890 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-08-22 21:52:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:23,891 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-08-22 21:52:23,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:52:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-08-22 21:52:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-08-22 21:52:23,893 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:23,893 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] [2020-08-22 21:52:23,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:52:23,894 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:23,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:23,894 INFO L82 PathProgramCache]: Analyzing trace with hash 37359445, now seen corresponding path program 1 times [2020-08-22 21:52:23,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:23,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861784999] [2020-08-22 21:52:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:23,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 21:52:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 21:52:24,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861784999] [2020-08-22 21:52:24,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:24,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 21:52:24,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182463404] [2020-08-22 21:52:24,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:52:24,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:24,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:52:24,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:52:24,031 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-08-22 21:52:24,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:24,127 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-08-22 21:52:24,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:52:24,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-08-22 21:52:24,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:24,130 INFO L225 Difference]: With dead ends: 52 [2020-08-22 21:52:24,130 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 21:52:24,131 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 [2020-08-22 21:52:24,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 21:52:24,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 21:52:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 21:52:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-08-22 21:52:24,143 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-08-22 21:52:24,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:24,143 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-08-22 21:52:24,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:52:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-08-22 21:52:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-22 21:52:24,146 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:24,146 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] [2020-08-22 21:52:24,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:52:24,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:24,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:24,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1599890626, now seen corresponding path program 1 times [2020-08-22 21:52:24,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:24,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236153246] [2020-08-22 21:52:24,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:52:24,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236153246] [2020-08-22 21:52:24,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:24,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 21:52:24,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585068209] [2020-08-22 21:52:24,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 21:52:24,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:24,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 21:52:24,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 21:52:24,261 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-08-22 21:52:24,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:24,375 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-08-22 21:52:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:52:24,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-08-22 21:52:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:24,379 INFO L225 Difference]: With dead ends: 56 [2020-08-22 21:52:24,379 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 21:52:24,380 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 [2020-08-22 21:52:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 21:52:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-08-22 21:52:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-08-22 21:52:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-08-22 21:52:24,395 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-08-22 21:52:24,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:24,396 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-08-22 21:52:24,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 21:52:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-08-22 21:52:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 21:52:24,399 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:24,399 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] [2020-08-22 21:52:24,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:52:24,399 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:24,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:24,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1509057080, now seen corresponding path program 2 times [2020-08-22 21:52:24,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:24,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042034465] [2020-08-22 21:52:24,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 21:52:24,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042034465] [2020-08-22 21:52:24,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:24,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 21:52:24,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527544005] [2020-08-22 21:52:24,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:52:24,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:24,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:52:24,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:52:24,559 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-08-22 21:52:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:24,700 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-08-22 21:52:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 21:52:24,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-22 21:52:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:24,704 INFO L225 Difference]: With dead ends: 111 [2020-08-22 21:52:24,704 INFO L226 Difference]: Without dead ends: 67 [2020-08-22 21:52:24,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:52:24,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-22 21:52:24,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-08-22 21:52:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-08-22 21:52:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-08-22 21:52:24,721 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-08-22 21:52:24,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:24,722 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-08-22 21:52:24,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:52:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-08-22 21:52:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 21:52:24,725 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:24,725 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] [2020-08-22 21:52:24,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:52:24,725 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:24,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:24,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1009539825, now seen corresponding path program 3 times [2020-08-22 21:52:24,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:24,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307848078] [2020-08-22 21:52:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-22 21:52:24,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307848078] [2020-08-22 21:52:24,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:24,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 21:52:24,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482465624] [2020-08-22 21:52:24,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:52:24,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:24,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:52:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:52:24,868 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-08-22 21:52:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:24,980 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-08-22 21:52:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 21:52:24,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-08-22 21:52:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:24,983 INFO L225 Difference]: With dead ends: 89 [2020-08-22 21:52:24,984 INFO L226 Difference]: Without dead ends: 83 [2020-08-22 21:52:24,985 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 [2020-08-22 21:52:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-08-22 21:52:25,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-08-22 21:52:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-22 21:52:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-08-22 21:52:25,005 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-08-22 21:52:25,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:25,006 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-08-22 21:52:25,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:52:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-08-22 21:52:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 21:52:25,012 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:25,012 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] [2020-08-22 21:52:25,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:52:25,013 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:25,013 INFO L82 PathProgramCache]: Analyzing trace with hash -858055544, now seen corresponding path program 4 times [2020-08-22 21:52:25,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:25,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606189613] [2020-08-22 21:52:25,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 130 proven. 176 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-08-22 21:52:25,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606189613] [2020-08-22 21:52:25,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:25,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 21:52:25,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16105648] [2020-08-22 21:52:25,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:52:25,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:25,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:52:25,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:52:25,451 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-08-22 21:52:25,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:25,765 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-08-22 21:52:25,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 21:52:25,766 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-08-22 21:52:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:25,769 INFO L225 Difference]: With dead ends: 142 [2020-08-22 21:52:25,769 INFO L226 Difference]: Without dead ends: 73 [2020-08-22 21:52:25,771 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 [2020-08-22 21:52:25,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-08-22 21:52:25,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-08-22 21:52:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-08-22 21:52:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-08-22 21:52:25,785 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-08-22 21:52:25,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:25,786 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-08-22 21:52:25,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:52:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-08-22 21:52:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 21:52:25,788 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:25,789 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] [2020-08-22 21:52:25,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:52:25,789 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:25,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:25,790 INFO L82 PathProgramCache]: Analyzing trace with hash -145654990, now seen corresponding path program 5 times [2020-08-22 21:52:25,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:25,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741934174] [2020-08-22 21:52:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 375 proven. 413 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2020-08-22 21:52:26,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741934174] [2020-08-22 21:52:26,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:26,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 21:52:26,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610880360] [2020-08-22 21:52:26,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 21:52:26,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:26,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 21:52:26,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-08-22 21:52:26,255 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-08-22 21:52:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:26,678 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-08-22 21:52:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 21:52:26,679 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-08-22 21:52:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:26,681 INFO L225 Difference]: With dead ends: 149 [2020-08-22 21:52:26,682 INFO L226 Difference]: Without dead ends: 92 [2020-08-22 21:52:26,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2020-08-22 21:52:26,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-08-22 21:52:26,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2020-08-22 21:52:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-22 21:52:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2020-08-22 21:52:26,713 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 193 [2020-08-22 21:52:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:26,714 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2020-08-22 21:52:26,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 21:52:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2020-08-22 21:52:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-08-22 21:52:26,720 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:26,720 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] [2020-08-22 21:52:26,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:52:26,720 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:26,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:26,721 INFO L82 PathProgramCache]: Analyzing trace with hash -217722271, now seen corresponding path program 6 times [2020-08-22 21:52:26,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:26,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74709790] [2020-08-22 21:52:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:26,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 126 proven. 642 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2020-08-22 21:52:27,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74709790] [2020-08-22 21:52:27,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:27,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 21:52:27,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696310065] [2020-08-22 21:52:27,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:52:27,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:27,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:52:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:52:27,149 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand 10 states. [2020-08-22 21:52:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:27,361 INFO L93 Difference]: Finished difference Result 248 states and 324 transitions. [2020-08-22 21:52:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 21:52:27,364 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 228 [2020-08-22 21:52:27,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:27,370 INFO L225 Difference]: With dead ends: 248 [2020-08-22 21:52:27,370 INFO L226 Difference]: Without dead ends: 242 [2020-08-22 21:52:27,371 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 [2020-08-22 21:52:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-08-22 21:52:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 218. [2020-08-22 21:52:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-22 21:52:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 288 transitions. [2020-08-22 21:52:27,426 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 288 transitions. Word has length 228 [2020-08-22 21:52:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:27,427 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 288 transitions. [2020-08-22 21:52:27,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:52:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 288 transitions. [2020-08-22 21:52:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-08-22 21:52:27,435 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:27,435 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] [2020-08-22 21:52:27,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:52:27,435 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:27,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:27,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1841895806, now seen corresponding path program 7 times [2020-08-22 21:52:27,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:27,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049960622] [2020-08-22 21:52:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6939 backedges. 1724 proven. 1617 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2020-08-22 21:52:28,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049960622] [2020-08-22 21:52:28,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:28,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 21:52:28,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336176734] [2020-08-22 21:52:28,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 21:52:28,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:28,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 21:52:28,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:52:28,423 INFO L87 Difference]: Start difference. First operand 218 states and 288 transitions. Second operand 17 states. [2020-08-22 21:52:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:29,161 INFO L93 Difference]: Finished difference Result 351 states and 539 transitions. [2020-08-22 21:52:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 21:52:29,162 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 422 [2020-08-22 21:52:29,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:29,164 INFO L225 Difference]: With dead ends: 351 [2020-08-22 21:52:29,164 INFO L226 Difference]: Without dead ends: 143 [2020-08-22 21:52:29,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-08-22 21:52:29,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-22 21:52:29,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2020-08-22 21:52:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-22 21:52:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 162 transitions. [2020-08-22 21:52:29,182 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 162 transitions. Word has length 422 [2020-08-22 21:52:29,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:29,183 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 162 transitions. [2020-08-22 21:52:29,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 21:52:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-08-22 21:52:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-22 21:52:29,198 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:29,199 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] [2020-08-22 21:52:29,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:52:29,199 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:29,200 INFO L82 PathProgramCache]: Analyzing trace with hash -828972613, now seen corresponding path program 8 times [2020-08-22 21:52:29,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:29,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666704175] [2020-08-22 21:52:29,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:29,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:30,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18897 backedges. 3752 proven. 3598 refuted. 0 times theorem prover too weak. 11547 trivial. 0 not checked. [2020-08-22 21:52:31,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666704175] [2020-08-22 21:52:31,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:31,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:52:31,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179252624] [2020-08-22 21:52:31,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:52:31,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:31,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:52:31,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:52:31,534 INFO L87 Difference]: Start difference. First operand 125 states and 162 transitions. Second operand 19 states. [2020-08-22 21:52:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:32,490 INFO L93 Difference]: Finished difference Result 275 states and 425 transitions. [2020-08-22 21:52:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 21:52:32,492 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 686 [2020-08-22 21:52:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:32,496 INFO L225 Difference]: With dead ends: 275 [2020-08-22 21:52:32,497 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 21:52:32,500 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 [2020-08-22 21:52:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 21:52:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2020-08-22 21:52:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-08-22 21:52:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2020-08-22 21:52:32,521 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 686 [2020-08-22 21:52:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:32,521 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2020-08-22 21:52:32,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:52:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2020-08-22 21:52:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-08-22 21:52:32,579 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:32,579 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] [2020-08-22 21:52:32,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:52:32,580 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:32,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2014565749, now seen corresponding path program 9 times [2020-08-22 21:52:32,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:32,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544379143] [2020-08-22 21:52:32,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:33,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:33,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:34,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 21:52:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:35,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:36,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 58729 backedges. 4687 proven. 8691 refuted. 0 times theorem prover too weak. 45351 trivial. 0 not checked. [2020-08-22 21:52:37,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544379143] [2020-08-22 21:52:37,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:37,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 21:52:37,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067183574] [2020-08-22 21:52:37,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 21:52:37,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:37,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 21:52:37,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:52:37,377 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand 21 states. [2020-08-22 21:52:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:38,493 INFO L93 Difference]: Finished difference Result 334 states and 557 transitions. [2020-08-22 21:52:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-08-22 21:52:38,493 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1197 [2020-08-22 21:52:38,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:38,505 INFO L225 Difference]: With dead ends: 334 [2020-08-22 21:52:38,506 INFO L226 Difference]: Without dead ends: 199 [2020-08-22 21:52:38,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=550, Invalid=2312, Unknown=0, NotChecked=0, Total=2862 [2020-08-22 21:52:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-08-22 21:52:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 171. [2020-08-22 21:52:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-08-22 21:52:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 240 transitions. [2020-08-22 21:52:38,532 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 240 transitions. Word has length 1197 [2020-08-22 21:52:38,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:38,533 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 240 transitions. [2020-08-22 21:52:38,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 21:52:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 240 transitions. [2020-08-22 21:52:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-08-22 21:52:38,542 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:38,542 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] [2020-08-22 21:52:38,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 21:52:38,543 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:38,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:38,543 INFO L82 PathProgramCache]: Analyzing trace with hash 959941073, now seen corresponding path program 10 times [2020-08-22 21:52:38,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:38,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245337386] [2020-08-22 21:52:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:39,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:39,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:40,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 21:52:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:42,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 38160 backedges. 0 proven. 14202 refuted. 0 times theorem prover too weak. 23958 trivial. 0 not checked. [2020-08-22 21:52:44,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245337386] [2020-08-22 21:52:44,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:44,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-22 21:52:44,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390484785] [2020-08-22 21:52:44,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-22 21:52:44,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:44,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-22 21:52:44,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:52:44,464 INFO L87 Difference]: Start difference. First operand 171 states and 240 transitions. Second operand 28 states. [2020-08-22 21:52:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:45,884 INFO L93 Difference]: Finished difference Result 195 states and 284 transitions. [2020-08-22 21:52:45,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-08-22 21:52:45,885 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 968 [2020-08-22 21:52:45,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:45,890 INFO L225 Difference]: With dead ends: 195 [2020-08-22 21:52:45,890 INFO L226 Difference]: Without dead ends: 189 [2020-08-22 21:52:45,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=177, Invalid=2579, Unknown=0, NotChecked=0, Total=2756 [2020-08-22 21:52:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-08-22 21:52:45,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2020-08-22 21:52:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-22 21:52:45,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 270 transitions. [2020-08-22 21:52:45,915 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 270 transitions. Word has length 968 [2020-08-22 21:52:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:45,916 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 270 transitions. [2020-08-22 21:52:45,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-22 21:52:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2020-08-22 21:52:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-08-22 21:52:45,929 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:45,930 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] [2020-08-22 21:52:45,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 21:52:45,931 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:45,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:45,931 INFO L82 PathProgramCache]: Analyzing trace with hash 886142123, now seen corresponding path program 11 times [2020-08-22 21:52:45,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:45,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551764227] [2020-08-22 21:52:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:46,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:46,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:47,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 21:52:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2020-08-22 21:52:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:48,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 58729 backedges. 4231 proven. 8129 refuted. 0 times theorem prover too weak. 46369 trivial. 0 not checked. [2020-08-22 21:52:49,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551764227] [2020-08-22 21:52:49,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:49,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:52:49,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718414096] [2020-08-22 21:52:49,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:52:49,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:49,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:52:49,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:52:49,923 INFO L87 Difference]: Start difference. First operand 185 states and 270 transitions. Second operand 19 states. [2020-08-22 21:52:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:50,654 INFO L93 Difference]: Finished difference Result 362 states and 539 transitions. [2020-08-22 21:52:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 21:52:50,654 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1197 [2020-08-22 21:52:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:50,659 INFO L225 Difference]: With dead ends: 362 [2020-08-22 21:52:50,659 INFO L226 Difference]: Without dead ends: 199 [2020-08-22 21:52:50,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 21:52:50,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-08-22 21:52:50,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 162. [2020-08-22 21:52:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-22 21:52:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 229 transitions. [2020-08-22 21:52:50,679 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 229 transitions. Word has length 1197 [2020-08-22 21:52:50,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:50,680 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 229 transitions. [2020-08-22 21:52:50,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:52:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2020-08-22 21:52:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2020-08-22 21:52:50,701 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:52:50,701 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] [2020-08-22 21:52:50,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 21:52:50,701 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:52:50,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:52:50,702 INFO L82 PathProgramCache]: Analyzing trace with hash 638022148, now seen corresponding path program 12 times [2020-08-22 21:52:50,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:52:50,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147565140] [2020-08-22 21:52:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:52:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:51,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:52:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:51,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 21:52:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-08-22 21:52:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:52,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-08-22 21:52:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-22 21:52:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:52:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:53,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:52:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:52:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 21:52:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:52:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 21:52:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:52:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:52:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 73593 backedges. 1902 proven. 7411 refuted. 0 times theorem prover too weak. 64280 trivial. 0 not checked. [2020-08-22 21:52:55,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147565140] [2020-08-22 21:52:55,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:52:55,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 21:52:55,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611652034] [2020-08-22 21:52:55,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:52:55,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:52:55,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:52:55,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:52:55,289 INFO L87 Difference]: Start difference. First operand 162 states and 229 transitions. Second operand 14 states. [2020-08-22 21:52:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:52:55,741 INFO L93 Difference]: Finished difference Result 303 states and 447 transitions. [2020-08-22 21:52:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:52:55,742 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1338 [2020-08-22 21:52:55,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:52:55,744 INFO L225 Difference]: With dead ends: 303 [2020-08-22 21:52:55,744 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 21:52:55,747 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 [2020-08-22 21:52:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 21:52:55,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 21:52:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 21:52:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 21:52:55,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1338 [2020-08-22 21:52:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:52:55,748 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 21:52:55,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:52:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 21:52:55,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 21:52:55,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 21:52:55,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 21:52:58,156 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2020-08-22 21:52:58,278 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 6 [2020-08-22 21:52:59,323 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 169 DAG size of output: 80 [2020-08-22 21:53:00,005 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-08-22 21:53:00,112 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 8 [2020-08-22 21:53:00,792 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2020-08-22 21:53:01,596 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 77 [2020-08-22 21:53:02,543 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 99 [2020-08-22 21:53:03,585 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 169 DAG size of output: 80 [2020-08-22 21:53:03,897 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 6 [2020-08-22 21:53:04,568 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2020-08-22 21:53:04,696 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 3 [2020-08-22 21:53:04,708 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))))) [2020-08-22 21:53:04,708 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-22 21:53:04,708 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-22 21:53:04,709 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)))) [2020-08-22 21:53:04,709 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)) [2020-08-22 21:53:04,709 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)))) [2020-08-22 21:53:04,710 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))))) [2020-08-22 21:53:04,710 INFO L264 CegarLoopResult]: At program point L17(lines 17 21) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n)) [2020-08-22 21:53:04,710 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)))) [2020-08-22 21:53:04,710 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| 0)) [2020-08-22 21:53:04,710 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)))) [2020-08-22 21:53:04,710 INFO L264 CegarLoopResult]: At program point L15(lines 15 21) the Hoare annotation is: (= fibonacci_~n |fibonacci_#in~n|) [2020-08-22 21:53:04,711 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))))) [2020-08-22 21:53:04,711 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|)))))) [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) the Hoare annotation is: false [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: false [2020-08-22 21:53:04,712 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 33) the Hoare annotation is: true [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 21:53:04,712 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)) [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~x~0 9) (<= 9 main_~x~0)) [2020-08-22 21:53:04,712 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)) [2020-08-22 21:53:04,712 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)) [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 21:53:04,712 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)) [2020-08-22 21:53:04,712 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 25 33) the Hoare annotation is: (<= 9 main_~x~0) [2020-08-22 21:53:04,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:53:04 BoogieIcfgContainer [2020-08-22 21:53:04,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:53:04,738 INFO L168 Benchmark]: Toolchain (without parser) took 42223.70 ms. Allocated memory was 140.5 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 104.7 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,742 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.01 ms. Allocated memory is still 140.5 MB. Free memory was 104.5 MB in the beginning and 95.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,746 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 ms. Allocated memory is still 140.5 MB. Free memory was 95.2 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,747 INFO L168 Benchmark]: RCFGBuilder took 312.30 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 93.9 MB in the beginning and 171.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,750 INFO L168 Benchmark]: TraceAbstraction took 41601.66 ms. Allocated memory was 203.4 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 170.4 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-08-22 21:53:04,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.01 ms. Allocated memory is still 140.5 MB. Free memory was 104.5 MB in the beginning and 95.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.48 ms. Allocated memory is still 140.5 MB. Free memory was 95.2 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.30 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 93.9 MB in the beginning and 171.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41601.66 ms. Allocated memory was 203.4 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 170.4 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 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: 32.5s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 674 SDtfs, 1431 SDslu, 3549 SDs, 0 SdLazy, 4377 SolverSat, 913 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2078 GetRequests, 1734 SyntacticMatches, 0 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2355 ImplicationChecksByTransitivity, 4.6s 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, 1.7s HoareSimplificationTime, 31 FomulaSimplificationsInter, 37576 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 6555 NumberOfCodeBlocks, 6555 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 6540 ConstructedInterpolants, 0 QuantifiedInterpolants, 11362668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 213945/258869 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...