/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 --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:25:53,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:25:53,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:25:53,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:25:53,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:25:53,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:25:53,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:25:53,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:25:53,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:25:53,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:25:53,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:25:53,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:25:53,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:25:53,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:25:53,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:25:53,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:25:53,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:25:53,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:25:53,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:25:53,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:25:53,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:25:53,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:25:53,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:25:53,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:25:53,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 05:25:53,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 05:25:53,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 05:25:53,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 05:25:53,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 05:25:53,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 05:25:53,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 05:25:53,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 05:25:53,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 05:25:53,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:25:53,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:25:53,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:25:53,418 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 [2020-08-22 05:25:53,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:25:53,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:25:53,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:25:53,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:25:53,452 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:25:53,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:25:53,452 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:25:53,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:25:53,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:25:53,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:25:53,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:25:53,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:25:53,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:25:53,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:25:53,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:25:53,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:25:53,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:25:53,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:25:53,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:25:53,459 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:25:53,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:25:53,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:25:53,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:25:53,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:25:53,785 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:25:53,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-22 05:25:53,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56d979560/80738e93cad7429ba2ac6cc5a29ad207/FLAGb80dd2ffe [2020-08-22 05:25:54,258 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:25:54,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-08-22 05:25:54,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56d979560/80738e93cad7429ba2ac6cc5a29ad207/FLAGb80dd2ffe [2020-08-22 05:25:54,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56d979560/80738e93cad7429ba2ac6cc5a29ad207 [2020-08-22 05:25:54,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:25:54,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:25:54,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:25:54,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:25:54,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:25:54,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a098cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54, skipping insertion in model container [2020-08-22 05:25:54,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:25:54,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:25:54,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:25:54,487 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:25:54,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:25:54,514 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:25:54,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54 WrapperNode [2020-08-22 05:25:54,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:25:54,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:25:54,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:25:54,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:25:54,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (1/1) ... [2020-08-22 05:25:54,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:25:54,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:25:54,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:25:54,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:25:54,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (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 [2020-08-22 05:25:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:25:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:25:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-08-22 05:25:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:25:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:25:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:25:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-08-22 05:25:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:25:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:25:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:25:54,984 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:25:54,984 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 05:25:54,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:25:54 BoogieIcfgContainer [2020-08-22 05:25:54,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:25:54,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:25:54,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:25:55,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:25:55,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:25:54" (1/3) ... [2020-08-22 05:25:55,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6506da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:25:55, skipping insertion in model container [2020-08-22 05:25:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:25:54" (2/3) ... [2020-08-22 05:25:55,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6506da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:25:55, skipping insertion in model container [2020-08-22 05:25:55,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:25:54" (3/3) ... [2020-08-22 05:25:55,034 INFO L109 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-08-22 05:25:55,065 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:25:55,087 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:25:55,121 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:25:55,158 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:25:55,159 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:25:55,160 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:25:55,160 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:25:55,160 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:25:55,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:25:55,161 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:25:55,161 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:25:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 05:25:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 05:25:55,195 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:55,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:55,197 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:55,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:55,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1900973920, now seen corresponding path program 1 times [2020-08-22 05:25:55,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:55,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460834088] [2020-08-22 05:25:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:25:55,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460834088] [2020-08-22 05:25:55,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:25:55,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:25:55,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172371787] [2020-08-22 05:25:55,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:25:55,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:55,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:25:55,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:25:55,507 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-22 05:25:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:55,642 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-08-22 05:25:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 05:25:55,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 05:25:55,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:55,659 INFO L225 Difference]: With dead ends: 36 [2020-08-22 05:25:55,660 INFO L226 Difference]: Without dead ends: 22 [2020-08-22 05:25:55,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:25:55,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-08-22 05:25:55,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-08-22 05:25:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-22 05:25:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-22 05:25:55,717 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2020-08-22 05:25:55,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:55,717 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-22 05:25:55,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:25:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-22 05:25:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 05:25:55,728 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:55,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:55,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:25:55,729 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash -509871596, now seen corresponding path program 1 times [2020-08-22 05:25:55,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:55,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911898921] [2020-08-22 05:25:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:25:55,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911898921] [2020-08-22 05:25:55,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:25:55,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:25:55,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478944728] [2020-08-22 05:25:55,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:25:55,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:55,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:25:55,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:25:55,820 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-08-22 05:25:55,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:55,902 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2020-08-22 05:25:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 05:25:55,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-22 05:25:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:55,905 INFO L225 Difference]: With dead ends: 28 [2020-08-22 05:25:55,905 INFO L226 Difference]: Without dead ends: 24 [2020-08-22 05:25:55,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:25:55,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-22 05:25:55,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-08-22 05:25:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-08-22 05:25:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-08-22 05:25:55,916 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2020-08-22 05:25:55,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:55,917 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-08-22 05:25:55,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:25:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-08-22 05:25:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 05:25:55,919 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:55,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:55,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:25:55,920 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:55,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:55,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1203666899, now seen corresponding path program 1 times [2020-08-22 05:25:55,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:55,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711487554] [2020-08-22 05:25:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 05:25:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:25:56,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711487554] [2020-08-22 05:25:56,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:56,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 05:25:56,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982092091] [2020-08-22 05:25:56,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:25:56,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:56,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:25:56,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:25:56,046 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 6 states. [2020-08-22 05:25:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:56,133 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-08-22 05:25:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:25:56,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-22 05:25:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:56,135 INFO L225 Difference]: With dead ends: 39 [2020-08-22 05:25:56,135 INFO L226 Difference]: Without dead ends: 24 [2020-08-22 05:25:56,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:25:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-22 05:25:56,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-08-22 05:25:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-08-22 05:25:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-08-22 05:25:56,145 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-08-22 05:25:56,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:56,146 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-08-22 05:25:56,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:25:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-08-22 05:25:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-22 05:25:56,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:56,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:56,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:25:56,149 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:56,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:56,149 INFO L82 PathProgramCache]: Analyzing trace with hash -603082491, now seen corresponding path program 1 times [2020-08-22 05:25:56,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:56,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124096728] [2020-08-22 05:25:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 05:25:56,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124096728] [2020-08-22 05:25:56,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:56,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 05:25:56,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224561797] [2020-08-22 05:25:56,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:25:56,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:56,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:25:56,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:25:56,309 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-08-22 05:25:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:56,447 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2020-08-22 05:25:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:25:56,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-22 05:25:56,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:56,450 INFO L225 Difference]: With dead ends: 42 [2020-08-22 05:25:56,450 INFO L226 Difference]: Without dead ends: 38 [2020-08-22 05:25:56,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:25:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-08-22 05:25:56,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-08-22 05:25:56,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-08-22 05:25:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-08-22 05:25:56,464 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 28 [2020-08-22 05:25:56,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:56,465 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-08-22 05:25:56,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:25:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-08-22 05:25:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 05:25:56,467 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:56,467 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:56,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:25:56,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:56,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:56,468 INFO L82 PathProgramCache]: Analyzing trace with hash -2046185202, now seen corresponding path program 2 times [2020-08-22 05:25:56,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:56,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596256469] [2020-08-22 05:25:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 05:25:56,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596256469] [2020-08-22 05:25:56,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:56,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:25:56,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387391194] [2020-08-22 05:25:56,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:25:56,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:56,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:25:56,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:25:56,656 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2020-08-22 05:25:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:56,785 INFO L93 Difference]: Finished difference Result 77 states and 120 transitions. [2020-08-22 05:25:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:25:56,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-22 05:25:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:56,789 INFO L225 Difference]: With dead ends: 77 [2020-08-22 05:25:56,789 INFO L226 Difference]: Without dead ends: 46 [2020-08-22 05:25:56,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:25:56,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-22 05:25:56,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2020-08-22 05:25:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-22 05:25:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2020-08-22 05:25:56,804 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 41 [2020-08-22 05:25:56,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:56,804 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2020-08-22 05:25:56,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:25:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2020-08-22 05:25:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-22 05:25:56,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:56,807 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:56,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:25:56,807 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:56,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:56,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1391487784, now seen corresponding path program 3 times [2020-08-22 05:25:56,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:56,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504992888] [2020-08-22 05:25:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-22 05:25:56,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504992888] [2020-08-22 05:25:56,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:56,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:25:56,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959957570] [2020-08-22 05:25:56,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:25:56,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:56,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:25:56,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:25:56,933 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand 7 states. [2020-08-22 05:25:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:57,065 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-08-22 05:25:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:25:57,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-08-22 05:25:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:57,068 INFO L225 Difference]: With dead ends: 63 [2020-08-22 05:25:57,068 INFO L226 Difference]: Without dead ends: 59 [2020-08-22 05:25:57,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:25:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-22 05:25:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-22 05:25:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-22 05:25:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2020-08-22 05:25:57,087 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 42 [2020-08-22 05:25:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:57,088 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2020-08-22 05:25:57,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:25:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-08-22 05:25:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-22 05:25:57,097 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:57,097 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:57,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 05:25:57,098 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:57,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1611334083, now seen corresponding path program 4 times [2020-08-22 05:25:57,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:57,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961110820] [2020-08-22 05:25:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-08-22 05:25:57,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961110820] [2020-08-22 05:25:57,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:57,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 05:25:57,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943560994] [2020-08-22 05:25:57,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:25:57,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:25:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:25:57,365 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand 8 states. [2020-08-22 05:25:57,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:57,514 INFO L93 Difference]: Finished difference Result 98 states and 151 transitions. [2020-08-22 05:25:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 05:25:57,514 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-08-22 05:25:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:57,518 INFO L225 Difference]: With dead ends: 98 [2020-08-22 05:25:57,519 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 05:25:57,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-08-22 05:25:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 05:25:57,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 05:25:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 05:25:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2020-08-22 05:25:57,540 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 83 [2020-08-22 05:25:57,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:57,540 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2020-08-22 05:25:57,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:25:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2020-08-22 05:25:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-22 05:25:57,543 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:57,544 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:57,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 05:25:57,544 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:57,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1072608948, now seen corresponding path program 5 times [2020-08-22 05:25:57,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:57,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411959631] [2020-08-22 05:25:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:25:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:25:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 381 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-22 05:25:58,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411959631] [2020-08-22 05:25:58,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:58,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 05:25:58,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515668529] [2020-08-22 05:25:58,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 05:25:58,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:58,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 05:25:58,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-22 05:25:58,082 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand 12 states. [2020-08-22 05:25:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:58,480 INFO L93 Difference]: Finished difference Result 154 states and 267 transitions. [2020-08-22 05:25:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 05:25:58,481 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-08-22 05:25:58,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:58,483 INFO L225 Difference]: With dead ends: 154 [2020-08-22 05:25:58,483 INFO L226 Difference]: Without dead ends: 72 [2020-08-22 05:25:58,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-08-22 05:25:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-22 05:25:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-08-22 05:25:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-08-22 05:25:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2020-08-22 05:25:58,496 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 151 [2020-08-22 05:25:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:58,497 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2020-08-22 05:25:58,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 05:25:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2020-08-22 05:25:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 05:25:58,498 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:58,499 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:58,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 05:25:58,499 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:58,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash 946234379, now seen corresponding path program 6 times [2020-08-22 05:25:58,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:58,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559953046] [2020-08-22 05:25:58,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:25:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-08-22 05:25:58,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559953046] [2020-08-22 05:25:58,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:58,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:25:58,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419668146] [2020-08-22 05:25:58,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 05:25:58,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:58,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 05:25:58,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:25:58,742 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand 9 states. [2020-08-22 05:25:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:58,897 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2020-08-22 05:25:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 05:25:58,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-08-22 05:25:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:58,899 INFO L225 Difference]: With dead ends: 69 [2020-08-22 05:25:58,899 INFO L226 Difference]: Without dead ends: 65 [2020-08-22 05:25:58,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-08-22 05:25:58,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-22 05:25:58,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-08-22 05:25:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-08-22 05:25:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2020-08-22 05:25:58,909 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 110 [2020-08-22 05:25:58,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:58,910 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2020-08-22 05:25:58,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 05:25:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2020-08-22 05:25:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-22 05:25:58,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:58,912 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:58,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 05:25:58,912 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:58,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:58,913 INFO L82 PathProgramCache]: Analyzing trace with hash 375112636, now seen corresponding path program 7 times [2020-08-22 05:25:58,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:58,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387357570] [2020-08-22 05:25:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:25:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:25:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:25:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:25:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:25:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-22 05:25:59,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387357570] [2020-08-22 05:25:59,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:25:59,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 05:25:59,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241618494] [2020-08-22 05:25:59,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 05:25:59,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:25:59,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 05:25:59,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:25:59,300 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 10 states. [2020-08-22 05:25:59,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:25:59,512 INFO L93 Difference]: Finished difference Result 181 states and 255 transitions. [2020-08-22 05:25:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 05:25:59,513 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-08-22 05:25:59,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:25:59,516 INFO L225 Difference]: With dead ends: 181 [2020-08-22 05:25:59,517 INFO L226 Difference]: Without dead ends: 177 [2020-08-22 05:25:59,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-22 05:25:59,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-08-22 05:25:59,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2020-08-22 05:25:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-22 05:25:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 234 transitions. [2020-08-22 05:25:59,547 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 234 transitions. Word has length 178 [2020-08-22 05:25:59,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:25:59,548 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 234 transitions. [2020-08-22 05:25:59,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 05:25:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2020-08-22 05:25:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-08-22 05:25:59,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:25:59,558 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:25:59,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 05:25:59,559 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:25:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:25:59,559 INFO L82 PathProgramCache]: Analyzing trace with hash 39069676, now seen corresponding path program 8 times [2020-08-22 05:25:59,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:25:59,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848638219] [2020-08-22 05:25:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:25:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:25:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:25:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:25:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:25:59,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2020-08-22 05:26:00,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848638219] [2020-08-22 05:26:00,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:26:00,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 05:26:00,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199359610] [2020-08-22 05:26:00,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 05:26:00,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:26:00,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 05:26:00,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:26:00,521 INFO L87 Difference]: Start difference. First operand 165 states and 234 transitions. Second operand 11 states. [2020-08-22 05:26:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:26:00,796 INFO L93 Difference]: Finished difference Result 411 states and 641 transitions. [2020-08-22 05:26:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 05:26:00,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 287 [2020-08-22 05:26:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:26:00,802 INFO L225 Difference]: With dead ends: 411 [2020-08-22 05:26:00,802 INFO L226 Difference]: Without dead ends: 407 [2020-08-22 05:26:00,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2020-08-22 05:26:00,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-08-22 05:26:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 392. [2020-08-22 05:26:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-08-22 05:26:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 616 transitions. [2020-08-22 05:26:00,839 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 616 transitions. Word has length 287 [2020-08-22 05:26:00,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:26:00,840 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 616 transitions. [2020-08-22 05:26:00,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 05:26:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 616 transitions. [2020-08-22 05:26:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-08-22 05:26:00,853 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:26:00,854 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:26:00,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 05:26:00,854 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:26:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:26:00,855 INFO L82 PathProgramCache]: Analyzing trace with hash 826091136, now seen corresponding path program 9 times [2020-08-22 05:26:00,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:26:00,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637218621] [2020-08-22 05:26:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:26:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:26:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:26:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 05:26:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:01,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2940 proven. 2962 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2020-08-22 05:26:02,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637218621] [2020-08-22 05:26:02,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:26:02,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 05:26:02,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473470221] [2020-08-22 05:26:02,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 05:26:02,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:26:02,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 05:26:02,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-08-22 05:26:02,712 INFO L87 Difference]: Start difference. First operand 392 states and 616 transitions. Second operand 18 states. [2020-08-22 05:26:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:26:03,629 INFO L93 Difference]: Finished difference Result 532 states and 943 transitions. [2020-08-22 05:26:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-08-22 05:26:03,630 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-08-22 05:26:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:26:03,633 INFO L225 Difference]: With dead ends: 532 [2020-08-22 05:26:03,633 INFO L226 Difference]: Without dead ends: 149 [2020-08-22 05:26:03,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2020-08-22 05:26:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-08-22 05:26:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 113. [2020-08-22 05:26:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-22 05:26:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2020-08-22 05:26:03,648 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 157 transitions. Word has length 532 [2020-08-22 05:26:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:26:03,649 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-08-22 05:26:03,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 05:26:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2020-08-22 05:26:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-08-22 05:26:03,658 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:26:03,658 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:26:03,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 05:26:03,659 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:26:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:26:03,659 INFO L82 PathProgramCache]: Analyzing trace with hash -211711407, now seen corresponding path program 10 times [2020-08-22 05:26:03,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:26:03,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503221451] [2020-08-22 05:26:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:26:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:26:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:03,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:26:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 05:26:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-08-22 05:26:05,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503221451] [2020-08-22 05:26:05,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:26:05,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 05:26:05,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561749336] [2020-08-22 05:26:05,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 05:26:05,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:26:05,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 05:26:05,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-08-22 05:26:05,185 INFO L87 Difference]: Start difference. First operand 113 states and 157 transitions. Second operand 12 states. [2020-08-22 05:26:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:26:05,551 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2020-08-22 05:26:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 05:26:05,552 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 464 [2020-08-22 05:26:05,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:26:05,556 INFO L225 Difference]: With dead ends: 120 [2020-08-22 05:26:05,556 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 05:26:05,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2020-08-22 05:26:05,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 05:26:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-08-22 05:26:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-22 05:26:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2020-08-22 05:26:05,573 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 464 [2020-08-22 05:26:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:26:05,577 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-08-22 05:26:05,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 05:26:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2020-08-22 05:26:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-08-22 05:26:05,597 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:26:05,598 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 122, 75, 75, 75, 75, 75, 75, 75, 47, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:26:05,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 05:26:05,598 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:26:05,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:26:05,599 INFO L82 PathProgramCache]: Analyzing trace with hash 405953011, now seen corresponding path program 11 times [2020-08-22 05:26:05,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:26:05,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810892922] [2020-08-22 05:26:05,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:26:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:06,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:26:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:26:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 05:26:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 05:26:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:08,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 05:26:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 05:26:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 4264 proven. 7122 refuted. 0 times theorem prover too weak. 52395 trivial. 0 not checked. [2020-08-22 05:26:10,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810892922] [2020-08-22 05:26:10,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:26:10,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 05:26:10,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976731055] [2020-08-22 05:26:10,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 05:26:10,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:26:10,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 05:26:10,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2020-08-22 05:26:10,795 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand 19 states. [2020-08-22 05:26:11,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:26:11,955 INFO L93 Difference]: Finished difference Result 269 states and 443 transitions. [2020-08-22 05:26:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-22 05:26:11,956 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1036 [2020-08-22 05:26:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:26:11,967 INFO L225 Difference]: With dead ends: 269 [2020-08-22 05:26:11,967 INFO L226 Difference]: Without dead ends: 162 [2020-08-22 05:26:11,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2020-08-22 05:26:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-22 05:26:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2020-08-22 05:26:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-22 05:26:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2020-08-22 05:26:11,980 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 1036 [2020-08-22 05:26:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:26:11,981 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2020-08-22 05:26:11,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 05:26:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2020-08-22 05:26:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-22 05:26:11,987 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:26:11,987 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:26:11,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 05:26:11,988 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:26:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:26:11,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1020040988, now seen corresponding path program 12 times [2020-08-22 05:26:11,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:26:11,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117701972] [2020-08-22 05:26:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:26:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:26:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:26:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:13,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 05:26:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 05:26:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 05:26:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 05:26:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 05:26:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 05:26:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 05:26:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 05:26:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:26:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:26:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-08-22 05:26:15,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117701972] [2020-08-22 05:26:15,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:26:15,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-08-22 05:26:15,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373804887] [2020-08-22 05:26:15,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-08-22 05:26:15,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:26:15,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-08-22 05:26:15,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2020-08-22 05:26:15,725 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand 28 states. [2020-08-22 05:26:16,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:26:16,078 INFO L93 Difference]: Finished difference Result 139 states and 191 transitions. [2020-08-22 05:26:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 05:26:16,079 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 750 [2020-08-22 05:26:16,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:26:16,080 INFO L225 Difference]: With dead ends: 139 [2020-08-22 05:26:16,080 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 05:26:16,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2020-08-22 05:26:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 05:26:16,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 05:26:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 05:26:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 05:26:16,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 750 [2020-08-22 05:26:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:26:16,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 05:26:16,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-08-22 05:26:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 05:26:16,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 05:26:16,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 05:26:16,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 05:26:16,540 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 6 [2020-08-22 05:26:17,020 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2020-08-22 05:26:17,025 INFO L268 CegarLoopResult]: For program point fibonacciFINAL(lines 14 22) no Hoare annotation was computed. [2020-08-22 05:26:17,025 INFO L271 CegarLoopResult]: At program point fibonacciENTRY(lines 14 22) the Hoare annotation is: true [2020-08-22 05:26:17,025 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-08-22 05:26:17,025 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-08-22 05:26:17,026 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (let ((.cse2 (<= 1 |fibonacci_#t~ret0|)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|)) (.cse1 (<= 7 fibonacci_~n))) (or (and (<= |fibonacci_#in~n| 8) .cse0 .cse1 (<= 13 |fibonacci_#t~ret0|)) (and (<= |fibonacci_#in~n| 2) .cse2 .cse0 (<= 2 |fibonacci_#in~n|)) (and (<= |fibonacci_#in~n| 6) (<= 5 |fibonacci_#t~ret0|) .cse0 (<= 6 |fibonacci_#in~n|)) (and (<= 21 |fibonacci_#t~ret0|) (<= 8 |fibonacci_#in~n|) .cse0) (and (<= 4 |fibonacci_#in~n|) .cse0 (<= 2 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 4)) (and (<= 5 |fibonacci_#in~n|) .cse0 (<= 3 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 5)) (and .cse2 (<= |fibonacci_#in~n| 3) .cse0 (<= 3 |fibonacci_#in~n|)) (and .cse0 .cse1 (<= 8 |fibonacci_#t~ret0|) (<= |fibonacci_#in~n| 7)))) [2020-08-22 05:26:17,026 INFO L268 CegarLoopResult]: For program point fibonacciEXIT(lines 14 22) no Hoare annotation was computed. [2020-08-22 05:26:17,026 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-08-22 05:26:17,027 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-08-22 05:26:17,027 INFO L268 CegarLoopResult]: For program point L15(lines 15 21) no Hoare annotation was computed. [2020-08-22 05:26:17,027 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 05:26:17,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:26:17,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:26:17,028 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 05:26:17,028 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 05:26:17,028 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:26:17,028 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2020-08-22 05:26:17,028 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-08-22 05:26:17,028 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-08-22 05:26:17,029 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 36) the Hoare annotation is: true [2020-08-22 05:26:17,029 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-08-22 05:26:17,029 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed. [2020-08-22 05:26:17,029 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 36) no Hoare annotation was computed. [2020-08-22 05:26:17,029 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 36) no Hoare annotation was computed. [2020-08-22 05:26:17,029 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 05:26:17,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:26:17 BoogieIcfgContainer [2020-08-22 05:26:17,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:26:17,037 INFO L168 Benchmark]: Toolchain (without parser) took 22746.93 ms. Allocated memory was 139.5 MB in the beginning and 1.1 GB in the end (delta: 937.4 MB). Free memory was 102.8 MB in the beginning and 717.5 MB in the end (delta: -614.7 MB). Peak memory consumption was 322.7 MB. Max. memory is 7.1 GB. [2020-08-22 05:26:17,037 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 05:26:17,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.17 ms. Allocated memory is still 139.5 MB. Free memory was 102.3 MB in the beginning and 93.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 05:26:17,039 INFO L168 Benchmark]: Boogie Preprocessor took 119.20 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 93.0 MB in the beginning and 183.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-08-22 05:26:17,039 INFO L168 Benchmark]: RCFGBuilder took 356.84 ms. Allocated memory is still 204.5 MB. Free memory was 183.2 MB in the beginning and 171.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-08-22 05:26:17,040 INFO L168 Benchmark]: TraceAbstraction took 22040.05 ms. Allocated memory was 204.5 MB in the beginning and 1.1 GB in the end (delta: 872.4 MB). Free memory was 170.6 MB in the beginning and 717.5 MB in the end (delta: -546.9 MB). Peak memory consumption was 325.5 MB. Max. memory is 7.1 GB. [2020-08-22 05:26:17,043 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.17 ms. Allocated memory is still 139.5 MB. Free memory was 102.3 MB in the beginning and 93.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.20 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 93.0 MB in the beginning and 183.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.84 ms. Allocated memory is still 204.5 MB. Free memory was 183.2 MB in the beginning and 171.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22040.05 ms. Allocated memory was 204.5 MB in the beginning and 1.1 GB in the end (delta: 872.4 MB). Free memory was 170.6 MB in the beginning and 717.5 MB in the end (delta: -546.9 MB). Peak memory consumption was 325.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 15, TraceHistogramMax: 151, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 807 SDslu, 1290 SDs, 0 SdLazy, 2160 SolverSat, 736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1592 GetRequests, 1328 SyntacticMatches, 0 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 467 PreInvPairs, 563 NumberOfFragments, 115 HoareAnnotationTreeSize, 467 FomulaSimplifications, 769 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2799 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 3758 NumberOfCodeBlocks, 3758 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3743 ConstructedInterpolants, 0 QuantifiedInterpolants, 3447323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 114301/134037 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...