/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:18:48,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:18:48,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:18:48,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:18:48,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:18:48,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:18:48,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:18:48,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:18:48,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:18:48,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:18:48,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:18:48,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:18:48,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:18:48,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:18:48,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:18:48,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:18:48,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:18:48,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:18:48,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:18:48,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:18:48,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:18:48,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:18:48,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:18:48,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:18:48,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:18:48,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:18:48,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:18:48,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:18:48,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:18:48,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:18:48,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:18:48,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:18:48,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:18:48,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:18:48,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:18:48,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:18:48,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:18:48,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:18:48,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:18:48,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:18:48,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:18:48,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 11:18:48,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:18:48,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:18:48,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:18:48,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:18:48,337 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:18:48,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:18:48,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:18:48,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:18:48,338 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:18:48,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:18:48,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:18:48,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:18:48,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:18:48,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:18:48,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:18:48,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:18:48,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:18:48,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:18:48,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:18:48,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 11:18:48,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:18:48,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:18:48,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:18:48,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:18:48,661 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:18:48,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-18 11:18:48,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342e2082e/9d06e79e2af848978b4dc419b188be35/FLAG4c5912961 [2020-08-18 11:18:49,156 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:18:49,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-18 11:18:49,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342e2082e/9d06e79e2af848978b4dc419b188be35/FLAG4c5912961 [2020-08-18 11:18:49,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342e2082e/9d06e79e2af848978b4dc419b188be35 [2020-08-18 11:18:49,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:18:49,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:18:49,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:18:49,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:18:49,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:18:49,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa43bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49, skipping insertion in model container [2020-08-18 11:18:49,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:18:49,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:18:49,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:18:49,801 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:18:49,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:18:49,844 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:18:49,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49 WrapperNode [2020-08-18 11:18:49,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:18:49,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:18:49,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:18:49,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:18:49,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... [2020-08-18 11:18:49,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:18:49,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:18:49,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:18:49,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:18:49,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:18:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:18:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:18:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-18 11:18:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-18 11:18:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:18:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:18:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:18:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-18 11:18:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-18 11:18:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:18:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:18:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:18:50,257 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:18:50,257 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 11:18:50,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:50 BoogieIcfgContainer [2020-08-18 11:18:50,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:18:50,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:18:50,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:18:50,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:18:50,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:18:49" (1/3) ... [2020-08-18 11:18:50,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:50, skipping insertion in model container [2020-08-18 11:18:50,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:18:49" (2/3) ... [2020-08-18 11:18:50,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:18:50, skipping insertion in model container [2020-08-18 11:18:50,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:18:50" (3/3) ... [2020-08-18 11:18:50,270 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-18 11:18:50,282 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:18:50,290 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:18:50,306 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:18:50,363 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:18:50,363 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:18:50,363 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:18:50,364 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:18:50,364 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:18:50,364 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:18:50,364 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:18:50,364 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:18:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-18 11:18:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 11:18:50,402 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:50,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:50,404 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:50,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-18 11:18:50,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:50,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877272289] [2020-08-18 11:18:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:18:50,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877272289] [2020-08-18 11:18:50,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:18:50,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:18:50,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311738657] [2020-08-18 11:18:50,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:18:50,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:18:50,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:18:50,666 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-18 11:18:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:50,774 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-18 11:18:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:18:50,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-18 11:18:50,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:50,788 INFO L225 Difference]: With dead ends: 44 [2020-08-18 11:18:50,788 INFO L226 Difference]: Without dead ends: 30 [2020-08-18 11:18:50,792 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 [2020-08-18 11:18:50,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-18 11:18:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-18 11:18:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:18:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:18:50,842 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-18 11:18:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:50,843 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:18:50,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:18:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:18:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-18 11:18:50,845 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:50,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:50,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:18:50,846 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:50,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-18 11:18:50,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:50,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695773487] [2020-08-18 11:18:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:18:50,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695773487] [2020-08-18 11:18:50,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:18:50,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:18:50,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179653818] [2020-08-18 11:18:50,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:18:50,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:50,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:18:50,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:18:50,923 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-18 11:18:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:50,989 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-18 11:18:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:18:50,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-18 11:18:50,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:50,991 INFO L225 Difference]: With dead ends: 36 [2020-08-18 11:18:50,992 INFO L226 Difference]: Without dead ends: 32 [2020-08-18 11:18:50,993 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 [2020-08-18 11:18:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-18 11:18:51,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-18 11:18:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-18 11:18:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-18 11:18:51,003 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-18 11:18:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:51,004 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-18 11:18:51,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:18:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-18 11:18:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-18 11:18:51,006 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:51,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:51,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:18:51,007 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:51,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-18 11:18:51,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:51,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092225811] [2020-08-18 11:18:51,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:18:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:18:51,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092225811] [2020-08-18 11:18:51,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:51,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:18:51,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039085730] [2020-08-18 11:18:51,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:18:51,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:51,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:18:51,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:18:51,156 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-18 11:18:51,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:51,237 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-18 11:18:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:18:51,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-18 11:18:51,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:51,240 INFO L225 Difference]: With dead ends: 58 [2020-08-18 11:18:51,240 INFO L226 Difference]: Without dead ends: 34 [2020-08-18 11:18:51,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-18 11:18:51,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-18 11:18:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-18 11:18:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-18 11:18:51,252 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-18 11:18:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:51,252 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-18 11:18:51,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:18:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-18 11:18:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-18 11:18:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:51,255 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 11:18:51,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:18:51,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:51,256 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-18 11:18:51,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:51,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211380430] [2020-08-18 11:18:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:18:51,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211380430] [2020-08-18 11:18:51,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:51,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:18:51,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315154041] [2020-08-18 11:18:51,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:18:51,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:51,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:18:51,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:18:51,376 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-18 11:18:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:51,564 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-18 11:18:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:18:51,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-18 11:18:51,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:51,568 INFO L225 Difference]: With dead ends: 54 [2020-08-18 11:18:51,568 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 11:18:51,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:18:51,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 11:18:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-18 11:18:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 11:18:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-18 11:18:51,584 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-18 11:18:51,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:51,587 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-18 11:18:51,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:18:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-18 11:18:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-18 11:18:51,592 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:51,593 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:51,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:18:51,593 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:51,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:51,594 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-18 11:18:51,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:51,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622810076] [2020-08-18 11:18:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:18:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:18:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:18:51,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622810076] [2020-08-18 11:18:51,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:51,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 11:18:51,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536039565] [2020-08-18 11:18:51,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 11:18:51,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:51,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 11:18:51,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 11:18:51,769 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-18 11:18:51,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:51,845 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-18 11:18:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 11:18:51,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-18 11:18:51,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:51,847 INFO L225 Difference]: With dead ends: 94 [2020-08-18 11:18:51,847 INFO L226 Difference]: Without dead ends: 52 [2020-08-18 11:18:51,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:18:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-18 11:18:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-18 11:18:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-18 11:18:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-18 11:18:51,863 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-18 11:18:51,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:51,863 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-18 11:18:51,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 11:18:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-18 11:18:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 11:18:51,867 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:51,867 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:51,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:18:51,870 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-18 11:18:51,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:51,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416164423] [2020-08-18 11:18:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 11:18:52,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416164423] [2020-08-18 11:18:52,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:52,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:18:52,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226607617] [2020-08-18 11:18:52,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:18:52,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:52,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:18:52,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:52,077 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-18 11:18:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:52,200 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-18 11:18:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:18:52,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-18 11:18:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:52,203 INFO L225 Difference]: With dead ends: 103 [2020-08-18 11:18:52,203 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 11:18:52,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:18:52,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 11:18:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-18 11:18:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 11:18:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-18 11:18:52,216 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-18 11:18:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:52,217 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-18 11:18:52,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:18:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-18 11:18:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-18 11:18:52,219 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:52,220 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:52,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:18:52,220 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:52,221 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-18 11:18:52,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:52,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938304032] [2020-08-18 11:18:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 11:18:52,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938304032] [2020-08-18 11:18:52,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:52,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:18:52,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855821992] [2020-08-18 11:18:52,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:18:52,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:52,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:18:52,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:52,389 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-18 11:18:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:52,565 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-18 11:18:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:18:52,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-18 11:18:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:52,568 INFO L225 Difference]: With dead ends: 86 [2020-08-18 11:18:52,568 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 11:18:52,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:18:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 11:18:52,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-18 11:18:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 11:18:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-18 11:18:52,598 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-18 11:18:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:52,600 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-18 11:18:52,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:18:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-18 11:18:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 11:18:52,605 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:52,605 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:52,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:18:52,605 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:52,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:52,606 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-18 11:18:52,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:52,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833373043] [2020-08-18 11:18:52,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:18:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 11:18:52,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833373043] [2020-08-18 11:18:52,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:52,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:18:52,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136966650] [2020-08-18 11:18:52,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:18:52,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:52,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:18:52,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:18:52,802 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-18 11:18:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:52,925 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-18 11:18:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:18:52,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-18 11:18:52,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:52,928 INFO L225 Difference]: With dead ends: 167 [2020-08-18 11:18:52,928 INFO L226 Difference]: Without dead ends: 94 [2020-08-18 11:18:52,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:18:52,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-18 11:18:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-18 11:18:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-18 11:18:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-18 11:18:52,945 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-18 11:18:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:52,946 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-18 11:18:52,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:18:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-18 11:18:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 11:18:52,948 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:52,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:52,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 11:18:52,949 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:52,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-18 11:18:52,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:52,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987227694] [2020-08-18 11:18:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:52,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 11:18:53,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987227694] [2020-08-18 11:18:53,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:53,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:18:53,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810444857] [2020-08-18 11:18:53,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:18:53,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:53,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:18:53,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:18:53,112 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-18 11:18:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:53,306 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-18 11:18:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 11:18:53,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-18 11:18:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:53,308 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:18:53,309 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 11:18:53,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:18:53,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 11:18:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-18 11:18:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 11:18:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-18 11:18:53,327 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-18 11:18:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:53,327 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-18 11:18:53,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:18:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-18 11:18:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-18 11:18:53,330 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:53,330 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:53,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 11:18:53,330 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-18 11:18:53,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:53,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778869321] [2020-08-18 11:18:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:53,628 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 11:18:53,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778869321] [2020-08-18 11:18:53,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:53,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:18:53,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088640978] [2020-08-18 11:18:53,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:18:53,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:53,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:18:53,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:18:53,633 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-18 11:18:54,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:54,035 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-18 11:18:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 11:18:54,040 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-18 11:18:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:54,042 INFO L225 Difference]: With dead ends: 199 [2020-08-18 11:18:54,042 INFO L226 Difference]: Without dead ends: 86 [2020-08-18 11:18:54,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-18 11:18:54,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-18 11:18:54,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-18 11:18:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-18 11:18:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-18 11:18:54,059 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-18 11:18:54,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:54,059 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-18 11:18:54,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:18:54,060 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-18 11:18:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 11:18:54,061 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:54,061 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:54,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 11:18:54,062 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:54,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:54,062 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-18 11:18:54,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:54,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984908984] [2020-08-18 11:18:54,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:18:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-18 11:18:54,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984908984] [2020-08-18 11:18:54,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:54,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:18:54,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886280516] [2020-08-18 11:18:54,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:18:54,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:54,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:18:54,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:18:54,308 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-18 11:18:54,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:54,511 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-18 11:18:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:18:54,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 11:18:54,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:54,513 INFO L225 Difference]: With dead ends: 142 [2020-08-18 11:18:54,513 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 11:18:54,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:18:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 11:18:54,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-18 11:18:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-18 11:18:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-18 11:18:54,524 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-18 11:18:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:54,525 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-18 11:18:54,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:18:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-18 11:18:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 11:18:54,528 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:54,528 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:54,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 11:18:54,529 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:54,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-18 11:18:54,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:54,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038267775] [2020-08-18 11:18:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:18:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 11:18:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:54,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-18 11:18:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-18 11:18:55,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038267775] [2020-08-18 11:18:55,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:55,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 11:18:55,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252481365] [2020-08-18 11:18:55,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 11:18:55,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:55,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 11:18:55,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:18:55,104 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-18 11:18:55,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:55,720 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-18 11:18:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 11:18:55,721 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-18 11:18:55,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:55,723 INFO L225 Difference]: With dead ends: 184 [2020-08-18 11:18:55,723 INFO L226 Difference]: Without dead ends: 111 [2020-08-18 11:18:55,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-18 11:18:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-18 11:18:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-18 11:18:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 11:18:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-18 11:18:55,736 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-18 11:18:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:55,736 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-18 11:18:55,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 11:18:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-18 11:18:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 11:18:55,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:55,739 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:55,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 11:18:55,739 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:55,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:55,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-18 11:18:55,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:55,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126317310] [2020-08-18 11:18:55,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:18:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-18 11:18:56,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126317310] [2020-08-18 11:18:56,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:56,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:18:56,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452536842] [2020-08-18 11:18:56,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:18:56,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:56,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:18:56,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:18:56,028 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-18 11:18:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:56,322 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-18 11:18:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 11:18:56,323 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-18 11:18:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:56,325 INFO L225 Difference]: With dead ends: 188 [2020-08-18 11:18:56,325 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 11:18:56,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:18:56,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 11:18:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-18 11:18:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 11:18:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-18 11:18:56,336 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-18 11:18:56,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:56,336 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-18 11:18:56,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:18:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-18 11:18:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:18:56,340 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:56,340 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:56,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 11:18:56,341 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-18 11:18:56,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:56,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170792619] [2020-08-18 11:18:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-18 11:18:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-18 11:18:56,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170792619] [2020-08-18 11:18:56,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:56,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:18:56,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849800483] [2020-08-18 11:18:56,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:18:56,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:56,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:18:56,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:18:56,764 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-18 11:18:57,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:57,384 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-18 11:18:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:18:57,385 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-18 11:18:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:57,387 INFO L225 Difference]: With dead ends: 224 [2020-08-18 11:18:57,387 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 11:18:57,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-18 11:18:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 11:18:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-18 11:18:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 11:18:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-18 11:18:57,399 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-18 11:18:57,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:57,400 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-18 11:18:57,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:18:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-18 11:18:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-18 11:18:57,403 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:57,403 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:57,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 11:18:57,403 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:57,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:57,404 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-18 11:18:57,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:57,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927388950] [2020-08-18 11:18:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:18:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-18 11:18:57,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927388950] [2020-08-18 11:18:57,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:57,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:18:57,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763718454] [2020-08-18 11:18:57,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:18:57,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:57,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:18:57,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:18:57,799 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-18 11:18:58,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:58,131 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-18 11:18:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 11:18:58,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-18 11:18:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:58,138 INFO L225 Difference]: With dead ends: 244 [2020-08-18 11:18:58,138 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 11:18:58,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:18:58,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 11:18:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-18 11:18:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 11:18:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-18 11:18:58,168 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-18 11:18:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:58,168 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-18 11:18:58,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:18:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-18 11:18:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-18 11:18:58,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:58,175 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:58,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 11:18:58,176 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:58,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-18 11:18:58,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:58,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150888562] [2020-08-18 11:18:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:18:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-18 11:18:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-18 11:18:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-18 11:18:59,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150888562] [2020-08-18 11:18:59,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:18:59,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 11:18:59,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686497257] [2020-08-18 11:18:59,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 11:18:59,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:18:59,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 11:18:59,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 11:18:59,084 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-18 11:18:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:18:59,424 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-18 11:18:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 11:18:59,425 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-18 11:18:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:18:59,430 INFO L225 Difference]: With dead ends: 429 [2020-08-18 11:18:59,430 INFO L226 Difference]: Without dead ends: 225 [2020-08-18 11:18:59,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:18:59,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-18 11:18:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-18 11:18:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-18 11:18:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-18 11:18:59,466 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-18 11:18:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:18:59,467 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-18 11:18:59,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 11:18:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-18 11:18:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-18 11:18:59,475 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:18:59,475 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:18:59,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 11:18:59,476 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:18:59,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:18:59,476 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-18 11:18:59,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:18:59,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047989696] [2020-08-18 11:18:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:18:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:18:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:18:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:18:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:18:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:18:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 11:18:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:18:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:18:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:18:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:18:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 11:19:00,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047989696] [2020-08-18 11:19:00,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:00,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:00,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535693132] [2020-08-18 11:19:00,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:00,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:00,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:00,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:00,112 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-18 11:19:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:00,616 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-18 11:19:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-18 11:19:00,617 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-18 11:19:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:00,623 INFO L225 Difference]: With dead ends: 454 [2020-08-18 11:19:00,624 INFO L226 Difference]: Without dead ends: 246 [2020-08-18 11:19:00,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:19:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-18 11:19:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-18 11:19:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-18 11:19:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-18 11:19:00,648 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-18 11:19:00,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:00,649 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-18 11:19:00,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-18 11:19:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-18 11:19:00,654 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:00,654 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:00,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 11:19:00,654 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:00,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-18 11:19:00,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:00,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77842712] [2020-08-18 11:19:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-18 11:19:01,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77842712] [2020-08-18 11:19:01,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:01,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:19:01,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994996464] [2020-08-18 11:19:01,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:19:01,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:01,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:19:01,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:19:01,300 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-18 11:19:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:01,644 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-18 11:19:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 11:19:01,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-18 11:19:01,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:01,657 INFO L225 Difference]: With dead ends: 487 [2020-08-18 11:19:01,657 INFO L226 Difference]: Without dead ends: 483 [2020-08-18 11:19:01,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-18 11:19:01,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-18 11:19:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-18 11:19:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-18 11:19:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-18 11:19:01,691 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-18 11:19:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:01,692 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-18 11:19:01,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:19:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-18 11:19:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-18 11:19:01,696 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:01,697 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 10, 10, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:01,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 11:19:01,697 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:01,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash 400039386, now seen corresponding path program 7 times [2020-08-18 11:19:01,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:01,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974161544] [2020-08-18 11:19:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-18 11:19:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-18 11:19:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 308 proven. 1032 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2020-08-18 11:19:02,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974161544] [2020-08-18 11:19:02,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:02,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 11:19:02,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933786356] [2020-08-18 11:19:02,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 11:19:02,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:02,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 11:19:02,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:19:02,815 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-18 11:19:03,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:03,296 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-18 11:19:03,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 11:19:03,297 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 436 [2020-08-18 11:19:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:03,304 INFO L225 Difference]: With dead ends: 978 [2020-08-18 11:19:03,305 INFO L226 Difference]: Without dead ends: 529 [2020-08-18 11:19:03,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:19:03,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-18 11:19:03,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-18 11:19:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-18 11:19:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-18 11:19:03,359 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 436 [2020-08-18 11:19:03,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:03,360 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-18 11:19:03,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 11:19:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-18 11:19:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2020-08-18 11:19:03,369 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:03,370 INFO L422 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 52, 52, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 20, 20, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:03,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 11:19:03,370 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:03,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1462219137, now seen corresponding path program 8 times [2020-08-18 11:19:03,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:03,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960688732] [2020-08-18 11:19:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23004 backedges. 649 proven. 3392 refuted. 0 times theorem prover too weak. 18963 trivial. 0 not checked. [2020-08-18 11:19:06,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960688732] [2020-08-18 11:19:06,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:06,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:06,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641913441] [2020-08-18 11:19:06,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:06,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:06,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:06,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:06,249 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 18 states. [2020-08-18 11:19:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:07,375 INFO L93 Difference]: Finished difference Result 924 states and 1544 transitions. [2020-08-18 11:19:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-18 11:19:07,376 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 885 [2020-08-18 11:19:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:07,383 INFO L225 Difference]: With dead ends: 924 [2020-08-18 11:19:07,384 INFO L226 Difference]: Without dead ends: 420 [2020-08-18 11:19:07,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-18 11:19:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-08-18 11:19:07,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 352. [2020-08-18 11:19:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-08-18 11:19:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 523 transitions. [2020-08-18 11:19:07,417 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 523 transitions. Word has length 885 [2020-08-18 11:19:07,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:07,418 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 523 transitions. [2020-08-18 11:19:07,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 523 transitions. [2020-08-18 11:19:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2020-08-18 11:19:07,423 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:07,423 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 34, 34, 29, 28, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 12, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:07,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 11:19:07,423 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:07,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:07,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1433038850, now seen corresponding path program 9 times [2020-08-18 11:19:07,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:07,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468681732] [2020-08-18 11:19:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:07,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6848 backedges. 1422 proven. 1472 refuted. 0 times theorem prover too weak. 3954 trivial. 0 not checked. [2020-08-18 11:19:08,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468681732] [2020-08-18 11:19:08,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:08,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 11:19:08,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429215433] [2020-08-18 11:19:08,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 11:19:08,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:08,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 11:19:08,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:19:08,812 INFO L87 Difference]: Start difference. First operand 352 states and 523 transitions. Second operand 16 states. [2020-08-18 11:19:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:09,463 INFO L93 Difference]: Finished difference Result 745 states and 1173 transitions. [2020-08-18 11:19:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-18 11:19:09,464 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 490 [2020-08-18 11:19:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:09,472 INFO L225 Difference]: With dead ends: 745 [2020-08-18 11:19:09,472 INFO L226 Difference]: Without dead ends: 415 [2020-08-18 11:19:09,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-18 11:19:09,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-18 11:19:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-18 11:19:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-18 11:19:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 545 transitions. [2020-08-18 11:19:09,499 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 545 transitions. Word has length 490 [2020-08-18 11:19:09,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:09,501 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 545 transitions. [2020-08-18 11:19:09,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 11:19:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 545 transitions. [2020-08-18 11:19:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 11:19:09,506 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:09,506 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:09,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 11:19:09,507 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:09,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:09,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-18 11:19:09,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:09,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693202960] [2020-08-18 11:19:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-18 11:19:11,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693202960] [2020-08-18 11:19:11,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:11,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 11:19:11,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282738735] [2020-08-18 11:19:11,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 11:19:11,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:11,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 11:19:11,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:19:11,123 INFO L87 Difference]: Start difference. First operand 375 states and 545 transitions. Second operand 20 states. [2020-08-18 11:19:12,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:12,402 INFO L93 Difference]: Finished difference Result 620 states and 991 transitions. [2020-08-18 11:19:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-18 11:19:12,404 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-18 11:19:12,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:12,408 INFO L225 Difference]: With dead ends: 620 [2020-08-18 11:19:12,408 INFO L226 Difference]: Without dead ends: 227 [2020-08-18 11:19:12,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-18 11:19:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-08-18 11:19:12,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 188. [2020-08-18 11:19:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-08-18 11:19:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2020-08-18 11:19:12,425 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 572 [2020-08-18 11:19:12,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:12,425 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2020-08-18 11:19:12,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 11:19:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2020-08-18 11:19:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2020-08-18 11:19:12,435 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:12,435 INFO L422 BasicCegarLoop]: trace histogram [74, 74, 69, 69, 58, 57, 37, 37, 37, 37, 37, 37, 37, 34, 34, 34, 34, 34, 34, 34, 24, 20, 16, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:12,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 11:19:12,436 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:12,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:12,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1807596226, now seen corresponding path program 11 times [2020-08-18 11:19:12,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:12,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887485154] [2020-08-18 11:19:12,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-08-18 11:19:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-18 11:19:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:14,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 28345 backedges. 663 proven. 3362 refuted. 0 times theorem prover too weak. 24320 trivial. 0 not checked. [2020-08-18 11:19:15,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887485154] [2020-08-18 11:19:15,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:15,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 11:19:15,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511649671] [2020-08-18 11:19:15,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 11:19:15,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:15,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 11:19:15,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:19:15,662 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand 16 states. [2020-08-18 11:19:16,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:16,303 INFO L93 Difference]: Finished difference Result 375 states and 562 transitions. [2020-08-18 11:19:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 11:19:16,304 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 980 [2020-08-18 11:19:16,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:16,306 INFO L225 Difference]: With dead ends: 375 [2020-08-18 11:19:16,307 INFO L226 Difference]: Without dead ends: 209 [2020-08-18 11:19:16,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-18 11:19:16,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-08-18 11:19:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 191. [2020-08-18 11:19:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-08-18 11:19:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 270 transitions. [2020-08-18 11:19:16,329 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 270 transitions. Word has length 980 [2020-08-18 11:19:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:16,329 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 270 transitions. [2020-08-18 11:19:16,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 11:19:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 270 transitions. [2020-08-18 11:19:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-18 11:19:16,335 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:16,335 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 9, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:16,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 11:19:16,336 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:16,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:16,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1873240578, now seen corresponding path program 12 times [2020-08-18 11:19:16,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:16,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143756652] [2020-08-18 11:19:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:16,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-18 11:19:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 839 proven. 1619 refuted. 0 times theorem prover too weak. 6955 trivial. 0 not checked. [2020-08-18 11:19:18,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143756652] [2020-08-18 11:19:18,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:18,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:18,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645153063] [2020-08-18 11:19:18,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:18,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:18,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:18,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:18,049 INFO L87 Difference]: Start difference. First operand 191 states and 270 transitions. Second operand 18 states. [2020-08-18 11:19:18,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:18,855 INFO L93 Difference]: Finished difference Result 371 states and 552 transitions. [2020-08-18 11:19:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-18 11:19:18,857 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-18 11:19:18,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:18,860 INFO L225 Difference]: With dead ends: 371 [2020-08-18 11:19:18,860 INFO L226 Difference]: Without dead ends: 202 [2020-08-18 11:19:18,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 11:19:18,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-08-18 11:19:18,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2020-08-18 11:19:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-08-18 11:19:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 255 transitions. [2020-08-18 11:19:18,875 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 255 transitions. Word has length 572 [2020-08-18 11:19:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:18,876 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 255 transitions. [2020-08-18 11:19:18,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 255 transitions. [2020-08-18 11:19:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1417 [2020-08-18 11:19:18,895 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:18,896 INFO L422 BasicCegarLoop]: trace histogram [106, 106, 101, 101, 85, 82, 53, 53, 53, 53, 53, 53, 53, 50, 50, 50, 50, 50, 50, 50, 32, 32, 24, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:18,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 11:19:18,896 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:18,897 INFO L82 PathProgramCache]: Analyzing trace with hash 487673534, now seen corresponding path program 13 times [2020-08-18 11:19:18,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:18,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239067518] [2020-08-18 11:19:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2020-08-18 11:19:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 11:19:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 59763 backedges. 4624 proven. 8330 refuted. 0 times theorem prover too weak. 46809 trivial. 0 not checked. [2020-08-18 11:19:23,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239067518] [2020-08-18 11:19:23,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:23,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 11:19:23,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913271191] [2020-08-18 11:19:23,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 11:19:23,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:23,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 11:19:23,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:19:23,662 INFO L87 Difference]: Start difference. First operand 184 states and 255 transitions. Second operand 18 states. [2020-08-18 11:19:24,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:24,626 INFO L93 Difference]: Finished difference Result 388 states and 569 transitions. [2020-08-18 11:19:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-08-18 11:19:24,627 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1416 [2020-08-18 11:19:24,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:24,629 INFO L225 Difference]: With dead ends: 388 [2020-08-18 11:19:24,629 INFO L226 Difference]: Without dead ends: 222 [2020-08-18 11:19:24,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-18 11:19:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-08-18 11:19:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 194. [2020-08-18 11:19:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-08-18 11:19:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 267 transitions. [2020-08-18 11:19:24,644 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 267 transitions. Word has length 1416 [2020-08-18 11:19:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:24,645 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 267 transitions. [2020-08-18 11:19:24,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 11:19:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2020-08-18 11:19:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-18 11:19:24,654 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:24,654 INFO L422 BasicCegarLoop]: trace histogram [69, 69, 66, 66, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 14, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:24,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 11:19:24,655 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:24,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2005403070, now seen corresponding path program 14 times [2020-08-18 11:19:24,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:24,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130535628] [2020-08-18 11:19:24,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:24,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 25236 backedges. 1773 proven. 3546 refuted. 0 times theorem prover too weak. 19917 trivial. 0 not checked. [2020-08-18 11:19:27,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130535628] [2020-08-18 11:19:27,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:27,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 11:19:27,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907105108] [2020-08-18 11:19:27,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 11:19:27,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 11:19:27,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:19:27,189 INFO L87 Difference]: Start difference. First operand 194 states and 267 transitions. Second operand 22 states. [2020-08-18 11:19:28,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:28,857 INFO L93 Difference]: Finished difference Result 426 states and 686 transitions. [2020-08-18 11:19:28,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-18 11:19:28,858 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 926 [2020-08-18 11:19:28,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:28,861 INFO L225 Difference]: With dead ends: 426 [2020-08-18 11:19:28,862 INFO L226 Difference]: Without dead ends: 249 [2020-08-18 11:19:28,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=2986, Unknown=0, NotChecked=0, Total=3422 [2020-08-18 11:19:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-08-18 11:19:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 239. [2020-08-18 11:19:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-08-18 11:19:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 342 transitions. [2020-08-18 11:19:28,880 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 342 transitions. Word has length 926 [2020-08-18 11:19:28,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:28,881 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 342 transitions. [2020-08-18 11:19:28,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 11:19:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 342 transitions. [2020-08-18 11:19:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-08-18 11:19:28,902 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:28,903 INFO L422 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 89, 88, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 34, 34, 22, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:28,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 11:19:28,903 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1471629456, now seen corresponding path program 15 times [2020-08-18 11:19:28,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:28,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661981640] [2020-08-18 11:19:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 11:19:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3323 proven. 6811 refuted. 0 times theorem prover too weak. 56798 trivial. 0 not checked. [2020-08-18 11:19:34,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661981640] [2020-08-18 11:19:34,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:34,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-18 11:19:34,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464897153] [2020-08-18 11:19:34,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-18 11:19:34,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:34,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-18 11:19:34,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2020-08-18 11:19:34,710 INFO L87 Difference]: Start difference. First operand 239 states and 342 transitions. Second operand 24 states. [2020-08-18 11:19:36,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:36,637 INFO L93 Difference]: Finished difference Result 535 states and 914 transitions. [2020-08-18 11:19:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-18 11:19:36,637 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1498 [2020-08-18 11:19:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:36,644 INFO L225 Difference]: With dead ends: 535 [2020-08-18 11:19:36,645 INFO L226 Difference]: Without dead ends: 313 [2020-08-18 11:19:36,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=523, Invalid=3767, Unknown=0, NotChecked=0, Total=4290 [2020-08-18 11:19:36,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-08-18 11:19:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 284. [2020-08-18 11:19:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-08-18 11:19:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 416 transitions. [2020-08-18 11:19:36,672 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 416 transitions. Word has length 1498 [2020-08-18 11:19:36,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:36,673 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 416 transitions. [2020-08-18 11:19:36,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-18 11:19:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 416 transitions. [2020-08-18 11:19:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-18 11:19:36,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:36,685 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:36,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-18 11:19:36,685 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 16 times [2020-08-18 11:19:36,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:36,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998729965] [2020-08-18 11:19:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:19:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 11:19:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-18 11:19:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-18 11:19:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-18 11:19:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-18 11:19:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:19:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:19:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 11:19:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 11:19:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 11:19:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 11:19:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:19:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2639 proven. 3391 refuted. 0 times theorem prover too weak. 25606 trivial. 0 not checked. [2020-08-18 11:19:39,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998729965] [2020-08-18 11:19:39,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:19:39,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 11:19:39,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008750812] [2020-08-18 11:19:39,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 11:19:39,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:19:39,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 11:19:39,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:19:39,786 INFO L87 Difference]: Start difference. First operand 284 states and 416 transitions. Second operand 22 states. [2020-08-18 11:19:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:19:41,209 INFO L93 Difference]: Finished difference Result 596 states and 925 transitions. [2020-08-18 11:19:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-18 11:19:41,210 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1035 [2020-08-18 11:19:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:19:41,215 INFO L225 Difference]: With dead ends: 596 [2020-08-18 11:19:41,216 INFO L226 Difference]: Without dead ends: 341 [2020-08-18 11:19:41,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2413, Unknown=0, NotChecked=0, Total=2756 [2020-08-18 11:19:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-08-18 11:19:41,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 250. [2020-08-18 11:19:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-08-18 11:19:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 359 transitions. [2020-08-18 11:19:41,236 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 359 transitions. Word has length 1035 [2020-08-18 11:19:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:19:41,237 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 359 transitions. [2020-08-18 11:19:41,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 11:19:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 359 transitions. [2020-08-18 11:19:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-18 11:19:41,250 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:19:41,251 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:19:41,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-08-18 11:19:41,251 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:19:41,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:19:41,252 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 17 times [2020-08-18 11:19:41,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:19:41,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703641209] [2020-08-18 11:19:41,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:19:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-18 11:19:41,561 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-18 11:19:41,561 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-18 11:19:41,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-08-18 11:19:41,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:19:41 BoogieIcfgContainer [2020-08-18 11:19:41,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:19:41,651 INFO L168 Benchmark]: Toolchain (without parser) took 52089.43 ms. Allocated memory was 140.0 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 102.8 MB in the beginning and 235.7 MB in the end (delta: -132.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-08-18 11:19:41,652 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 11:19:41,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.85 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:19:41,653 INFO L168 Benchmark]: Boogie Preprocessor took 122.82 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 182.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-08-18 11:19:41,653 INFO L168 Benchmark]: RCFGBuilder took 292.16 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 168.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-08-18 11:19:41,654 INFO L168 Benchmark]: TraceAbstraction took 51385.41 ms. Allocated memory was 203.4 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 168.3 MB in the beginning and 235.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-08-18 11:19:41,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.85 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.82 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 182.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.16 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 168.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51385.41 ms. Allocated memory was 203.4 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 168.3 MB in the beginning and 235.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 10; [L37] CALL, EXPR fibo1(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) [L37] int result = fibo1(x); [L38] COND TRUE result == 55 [L39] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 51.2s, OverallIterations: 29, TraceHistogramMax: 110, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1010 SDtfs, 1527 SDslu, 6987 SDs, 0 SdLazy, 11844 SolverSat, 1507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3940 GetRequests, 3290 SyntacticMatches, 0 SemanticMatches, 650 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5334 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=502occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 28 MinimizatonAttempts, 503 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 29.0s InterpolantComputationTime, 12089 NumberOfCodeBlocks, 12089 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 10849 ConstructedInterpolants, 0 QuantifiedInterpolants, 11682415 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 2 PerfectInterpolantSequences, 239691/277022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...