/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 03:33:03,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 03:33:03,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 03:33:04,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 03:33:04,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 03:33:04,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 03:33:04,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 03:33:04,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 03:33:04,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 03:33:04,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 03:33:04,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 03:33:04,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 03:33:04,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 03:33:04,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 03:33:04,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 03:33:04,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 03:33:04,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 03:33:04,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 03:33:04,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 03:33:04,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 03:33:04,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 03:33:04,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 03:33:04,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 03:33:04,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 03:33:04,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 03:33:04,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 03:33:04,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 03:33:04,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 03:33:04,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 03:33:04,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 03:33:04,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 03:33:04,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 03:33:04,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 03:33:04,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 03:33:04,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 03:33:04,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 03:33:04,086 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 [2020-08-19 03:33:04,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 03:33:04,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 03:33:04,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 03:33:04,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 03:33:04,110 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 03:33:04,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 03:33:04,111 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 03:33:04,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 03:33:04,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 03:33:04,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 03:33:04,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 03:33:04,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 03:33:04,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 03:33:04,112 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 03:33:04,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 03:33:04,113 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 03:33:04,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 03:33:04,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 03:33:04,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 03:33:04,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 03:33:04,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 03:33:04,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 03:33:04,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 03:33:04,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 03:33:04,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 03:33:04,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 03:33:04,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 03:33:04,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 03:33:04,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 03:33:04,115 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; [2020-08-19 03:33:04,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 03:33:04,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 03:33:04,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 03:33:04,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 03:33:04,483 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 03:33:04,484 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-19 03:33:04,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f04b5dc/3b8fb63f7766492993f130fbab3e669c/FLAG60f99a4ea [2020-08-19 03:33:04,972 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 03:33:04,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-19 03:33:04,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f04b5dc/3b8fb63f7766492993f130fbab3e669c/FLAG60f99a4ea [2020-08-19 03:33:05,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f04b5dc/3b8fb63f7766492993f130fbab3e669c [2020-08-19 03:33:05,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 03:33:05,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 03:33:05,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 03:33:05,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 03:33:05,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 03:33:05,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05, skipping insertion in model container [2020-08-19 03:33:05,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 03:33:05,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 03:33:05,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:33:05,547 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 03:33:05,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:33:05,579 INFO L208 MainTranslator]: Completed translation [2020-08-19 03:33:05,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05 WrapperNode [2020-08-19 03:33:05,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 03:33:05,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 03:33:05,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 03:33:05,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 03:33:05,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (1/1) ... [2020-08-19 03:33:05,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 03:33:05,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 03:33:05,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 03:33:05,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 03:33:05,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (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 [2020-08-19 03:33:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 03:33:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 03:33:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-19 03:33:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-19 03:33:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 03:33:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 03:33:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 03:33:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-19 03:33:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-19 03:33:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 03:33:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 03:33:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 03:33:05,975 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 03:33:05,975 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 03:33:05,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:33:05 BoogieIcfgContainer [2020-08-19 03:33:05,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 03:33:05,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 03:33:05,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 03:33:05,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 03:33:05,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 03:33:05" (1/3) ... [2020-08-19 03:33:05,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6142ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:33:05, skipping insertion in model container [2020-08-19 03:33:05,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:33:05" (2/3) ... [2020-08-19 03:33:05,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6142ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:33:05, skipping insertion in model container [2020-08-19 03:33:05,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:33:05" (3/3) ... [2020-08-19 03:33:05,989 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-19 03:33:06,002 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 03:33:06,010 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 03:33:06,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 03:33:06,066 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 03:33:06,066 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 03:33:06,067 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 03:33:06,067 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 03:33:06,067 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 03:33:06,067 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 03:33:06,068 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 03:33:06,068 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 03:33:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-19 03:33:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-19 03:33:06,104 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:06,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:06,105 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:06,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-19 03:33:06,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:06,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138349751] [2020-08-19 03:33:06,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 03:33:06,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138349751] [2020-08-19 03:33:06,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 03:33:06,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 03:33:06,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149305822] [2020-08-19 03:33:06,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 03:33:06,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:06,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 03:33:06,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 03:33:06,368 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-19 03:33:06,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:06,488 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-19 03:33:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 03:33:06,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-19 03:33:06,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:06,503 INFO L225 Difference]: With dead ends: 44 [2020-08-19 03:33:06,504 INFO L226 Difference]: Without dead ends: 30 [2020-08-19 03:33:06,508 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 [2020-08-19 03:33:06,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-19 03:33:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-19 03:33:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 03:33:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 03:33:06,565 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-19 03:33:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:06,566 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 03:33:06,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 03:33:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 03:33:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-19 03:33:06,569 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:06,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:06,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 03:33:06,570 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:06,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:06,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-19 03:33:06,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:06,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190577018] [2020-08-19 03:33:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 03:33:06,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190577018] [2020-08-19 03:33:06,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 03:33:06,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 03:33:06,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381998390] [2020-08-19 03:33:06,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 03:33:06,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:06,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 03:33:06,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 03:33:06,649 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-19 03:33:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:06,712 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-19 03:33:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 03:33:06,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-19 03:33:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:06,715 INFO L225 Difference]: With dead ends: 36 [2020-08-19 03:33:06,715 INFO L226 Difference]: Without dead ends: 32 [2020-08-19 03:33:06,716 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 [2020-08-19 03:33:06,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-19 03:33:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-19 03:33:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 03:33:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 03:33:06,726 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-19 03:33:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:06,727 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 03:33:06,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 03:33:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 03:33:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 03:33:06,729 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:06,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:06,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 03:33:06,730 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:06,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-19 03:33:06,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:06,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356097683] [2020-08-19 03:33:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 03:33:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:06,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 03:33:06,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356097683] [2020-08-19 03:33:06,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:06,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 03:33:06,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355052356] [2020-08-19 03:33:06,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 03:33:06,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:06,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 03:33:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:33:06,871 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-19 03:33:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:07,002 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-19 03:33:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 03:33:07,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-19 03:33:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:07,005 INFO L225 Difference]: With dead ends: 58 [2020-08-19 03:33:07,005 INFO L226 Difference]: Without dead ends: 34 [2020-08-19 03:33:07,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:33:07,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-19 03:33:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-19 03:33:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-19 03:33:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-19 03:33:07,029 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-19 03:33:07,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:07,029 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-19 03:33:07,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 03:33:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-19 03:33:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-19 03:33:07,035 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:07,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:07,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 03:33:07,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:07,037 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-19 03:33:07,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:07,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101483530] [2020-08-19 03:33:07,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 03:33:07,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101483530] [2020-08-19 03:33:07,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:07,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 03:33:07,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295233780] [2020-08-19 03:33:07,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 03:33:07,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:07,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 03:33:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:33:07,213 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-19 03:33:07,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:07,434 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-19 03:33:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 03:33:07,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-19 03:33:07,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:07,438 INFO L225 Difference]: With dead ends: 54 [2020-08-19 03:33:07,439 INFO L226 Difference]: Without dead ends: 50 [2020-08-19 03:33:07,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 03:33:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-19 03:33:07,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-19 03:33:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-19 03:33:07,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-19 03:33:07,453 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-19 03:33:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:07,453 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-19 03:33:07,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 03:33:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-19 03:33:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-19 03:33:07,456 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:07,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:07,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 03:33:07,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:07,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:07,457 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-19 03:33:07,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:07,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265273067] [2020-08-19 03:33:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 03:33:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 03:33:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 03:33:07,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265273067] [2020-08-19 03:33:07,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:07,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 03:33:07,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963883567] [2020-08-19 03:33:07,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 03:33:07,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:07,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 03:33:07,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-19 03:33:07,554 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-19 03:33:07,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:07,621 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-19 03:33:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 03:33:07,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-19 03:33:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:07,624 INFO L225 Difference]: With dead ends: 94 [2020-08-19 03:33:07,624 INFO L226 Difference]: Without dead ends: 52 [2020-08-19 03:33:07,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:33:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-19 03:33:07,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-19 03:33:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-19 03:33:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-19 03:33:07,637 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-19 03:33:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:07,638 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-19 03:33:07,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 03:33:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-19 03:33:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 03:33:07,640 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:07,641 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:07,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 03:33:07,641 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:07,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:07,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-19 03:33:07,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:07,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491751624] [2020-08-19 03:33:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-19 03:33:07,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491751624] [2020-08-19 03:33:07,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:07,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 03:33:07,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921348512] [2020-08-19 03:33:07,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 03:33:07,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:07,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 03:33:07,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:33:07,781 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-19 03:33:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:07,906 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-19 03:33:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 03:33:07,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-19 03:33:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:07,910 INFO L225 Difference]: With dead ends: 103 [2020-08-19 03:33:07,910 INFO L226 Difference]: Without dead ends: 57 [2020-08-19 03:33:07,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:33:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-19 03:33:07,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-19 03:33:07,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-19 03:33:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-19 03:33:07,923 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-19 03:33:07,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:07,924 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-19 03:33:07,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 03:33:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-19 03:33:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-19 03:33:07,926 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:07,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:07,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 03:33:07,927 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:07,927 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-19 03:33:07,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:07,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058850446] [2020-08-19 03:33:07,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 03:33:08,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058850446] [2020-08-19 03:33:08,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:08,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 03:33:08,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036271307] [2020-08-19 03:33:08,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 03:33:08,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:08,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 03:33:08,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:33:08,143 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-19 03:33:08,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:08,351 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-19 03:33:08,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 03:33:08,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-19 03:33:08,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:08,355 INFO L225 Difference]: With dead ends: 86 [2020-08-19 03:33:08,355 INFO L226 Difference]: Without dead ends: 82 [2020-08-19 03:33:08,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:33:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-19 03:33:08,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-19 03:33:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-19 03:33:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-19 03:33:08,372 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-19 03:33:08,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:08,373 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-19 03:33:08,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 03:33:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-19 03:33:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-19 03:33:08,376 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:08,376 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:08,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 03:33:08,376 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:08,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:08,377 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-19 03:33:08,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:08,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563787587] [2020-08-19 03:33:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 03:33:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-19 03:33:08,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563787587] [2020-08-19 03:33:08,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:08,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 03:33:08,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453768219] [2020-08-19 03:33:08,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 03:33:08,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:08,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 03:33:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:33:08,512 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-19 03:33:08,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:08,626 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-19 03:33:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 03:33:08,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-19 03:33:08,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:08,629 INFO L225 Difference]: With dead ends: 167 [2020-08-19 03:33:08,629 INFO L226 Difference]: Without dead ends: 94 [2020-08-19 03:33:08,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:33:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-19 03:33:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-19 03:33:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-19 03:33:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-19 03:33:08,648 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-19 03:33:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:08,648 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-19 03:33:08,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 03:33:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-19 03:33:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 03:33:08,651 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:08,651 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:08,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 03:33:08,652 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:08,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:08,652 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-19 03:33:08,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:08,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258842438] [2020-08-19 03:33:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 03:33:08,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258842438] [2020-08-19 03:33:08,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:08,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 03:33:08,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061024578] [2020-08-19 03:33:08,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 03:33:08,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:08,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 03:33:08,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:33:08,895 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-19 03:33:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:09,159 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-19 03:33:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 03:33:09,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-19 03:33:09,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:09,161 INFO L225 Difference]: With dead ends: 188 [2020-08-19 03:33:09,162 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 03:33:09,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-19 03:33:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 03:33:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-19 03:33:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-19 03:33:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-19 03:33:09,208 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-19 03:33:09,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:09,209 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-19 03:33:09,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 03:33:09,210 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-19 03:33:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-19 03:33:09,213 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:09,213 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:09,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 03:33:09,213 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:09,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:09,215 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-19 03:33:09,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:09,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226541817] [2020-08-19 03:33:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-19 03:33:09,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226541817] [2020-08-19 03:33:09,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:09,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 03:33:09,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398255946] [2020-08-19 03:33:09,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 03:33:09,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:09,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 03:33:09,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 03:33:09,449 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-19 03:33:09,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:09,865 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-19 03:33:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 03:33:09,866 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-19 03:33:09,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:09,867 INFO L225 Difference]: With dead ends: 199 [2020-08-19 03:33:09,868 INFO L226 Difference]: Without dead ends: 86 [2020-08-19 03:33:09,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-19 03:33:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-19 03:33:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-19 03:33:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-19 03:33:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-19 03:33:09,879 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-19 03:33:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:09,880 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-19 03:33:09,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 03:33:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-19 03:33:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-19 03:33:09,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:09,882 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:09,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 03:33:09,882 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:09,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:09,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-19 03:33:09,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:09,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335548832] [2020-08-19 03:33:09,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 03:33:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-19 03:33:10,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335548832] [2020-08-19 03:33:10,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:10,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 03:33:10,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131841442] [2020-08-19 03:33:10,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 03:33:10,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:10,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 03:33:10,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:33:10,091 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-19 03:33:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:10,280 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-19 03:33:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 03:33:10,281 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-19 03:33:10,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:10,283 INFO L225 Difference]: With dead ends: 142 [2020-08-19 03:33:10,283 INFO L226 Difference]: Without dead ends: 78 [2020-08-19 03:33:10,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-19 03:33:10,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-19 03:33:10,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-19 03:33:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-19 03:33:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-19 03:33:10,293 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-19 03:33:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:10,293 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-19 03:33:10,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 03:33:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-19 03:33:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-19 03:33:10,297 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:10,298 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:10,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 03:33:10,298 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:10,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:10,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-19 03:33:10,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:10,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069452488] [2020-08-19 03:33:10,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 03:33:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 03:33:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 03:33:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-19 03:33:10,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069452488] [2020-08-19 03:33:10,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:10,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 03:33:10,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974079985] [2020-08-19 03:33:10,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 03:33:10,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:10,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 03:33:10,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-19 03:33:10,875 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-19 03:33:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:11,442 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-19 03:33:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 03:33:11,443 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-19 03:33:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:11,445 INFO L225 Difference]: With dead ends: 184 [2020-08-19 03:33:11,446 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 03:33:11,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-19 03:33:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 03:33:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-19 03:33:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 03:33:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-19 03:33:11,461 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-19 03:33:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:11,462 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-19 03:33:11,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 03:33:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-19 03:33:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-19 03:33:11,466 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:11,468 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:11,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 03:33:11,468 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:11,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-19 03:33:11,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:11,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489923653] [2020-08-19 03:33:11,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 03:33:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-19 03:33:11,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489923653] [2020-08-19 03:33:11,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:11,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 03:33:11,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792873643] [2020-08-19 03:33:11,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 03:33:11,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:11,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 03:33:11,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:33:11,769 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-19 03:33:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:12,031 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-19 03:33:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 03:33:12,032 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-19 03:33:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:12,036 INFO L225 Difference]: With dead ends: 188 [2020-08-19 03:33:12,036 INFO L226 Difference]: Without dead ends: 101 [2020-08-19 03:33:12,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-19 03:33:12,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-19 03:33:12,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-19 03:33:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-19 03:33:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-19 03:33:12,055 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-19 03:33:12,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:12,056 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-19 03:33:12,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 03:33:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-19 03:33:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 03:33:12,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:12,059 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:12,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 03:33:12,059 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-19 03:33:12,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:12,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295420824] [2020-08-19 03:33:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-19 03:33:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-19 03:33:12,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295420824] [2020-08-19 03:33:12,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:12,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 03:33:12,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73734622] [2020-08-19 03:33:12,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 03:33:12,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:12,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 03:33:12,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 03:33:12,536 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-19 03:33:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:13,085 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-19 03:33:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 03:33:13,085 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-19 03:33:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:13,088 INFO L225 Difference]: With dead ends: 224 [2020-08-19 03:33:13,088 INFO L226 Difference]: Without dead ends: 131 [2020-08-19 03:33:13,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-19 03:33:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-19 03:33:13,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-19 03:33:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 03:33:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-19 03:33:13,102 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-19 03:33:13,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:13,104 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-19 03:33:13,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 03:33:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-19 03:33:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 03:33:13,106 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:13,107 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:13,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 03:33:13,107 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:13,108 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-19 03:33:13,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:13,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626599966] [2020-08-19 03:33:13,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-19 03:33:13,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626599966] [2020-08-19 03:33:13,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:13,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 03:33:13,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402733164] [2020-08-19 03:33:13,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 03:33:13,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:13,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 03:33:13,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:33:13,458 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-19 03:33:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:13,736 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-19 03:33:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 03:33:13,737 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-19 03:33:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:13,741 INFO L225 Difference]: With dead ends: 244 [2020-08-19 03:33:13,741 INFO L226 Difference]: Without dead ends: 240 [2020-08-19 03:33:13,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-19 03:33:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-19 03:33:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-19 03:33:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-19 03:33:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-19 03:33:13,769 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-19 03:33:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:13,769 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-19 03:33:13,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 03:33:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-19 03:33:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-19 03:33:13,778 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:13,778 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:13,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 03:33:13,778 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:13,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-19 03:33:13,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:13,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46317089] [2020-08-19 03:33:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 03:33:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-19 03:33:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 03:33:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-19 03:33:14,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46317089] [2020-08-19 03:33:14,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:14,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 03:33:14,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779754393] [2020-08-19 03:33:14,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 03:33:14,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:14,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 03:33:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:33:14,692 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-19 03:33:14,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:14,929 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-19 03:33:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 03:33:14,930 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-19 03:33:14,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:14,933 INFO L225 Difference]: With dead ends: 429 [2020-08-19 03:33:14,934 INFO L226 Difference]: Without dead ends: 225 [2020-08-19 03:33:14,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-19 03:33:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-19 03:33:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-19 03:33:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-19 03:33:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-19 03:33:14,955 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-19 03:33:14,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:14,957 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-19 03:33:14,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 03:33:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-19 03:33:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-19 03:33:14,962 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:14,962 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:14,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 03:33:14,962 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:14,963 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-19 03:33:14,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:14,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126267888] [2020-08-19 03:33:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 03:33:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-19 03:33:15,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126267888] [2020-08-19 03:33:15,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:15,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 03:33:15,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527784880] [2020-08-19 03:33:15,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 03:33:15,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:15,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 03:33:15,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 03:33:15,657 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-19 03:33:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:16,106 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-19 03:33:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-19 03:33:16,107 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-19 03:33:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:16,113 INFO L225 Difference]: With dead ends: 454 [2020-08-19 03:33:16,113 INFO L226 Difference]: Without dead ends: 246 [2020-08-19 03:33:16,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 03:33:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-19 03:33:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-19 03:33:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-19 03:33:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-19 03:33:16,141 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-19 03:33:16,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:16,142 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-19 03:33:16,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 03:33:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-19 03:33:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-19 03:33:16,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:16,149 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:16,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 03:33:16,149 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-19 03:33:16,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:16,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134925953] [2020-08-19 03:33:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-19 03:33:16,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134925953] [2020-08-19 03:33:16,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:16,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 03:33:16,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204462398] [2020-08-19 03:33:16,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 03:33:16,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:16,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 03:33:16,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-19 03:33:16,827 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-19 03:33:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:17,157 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-19 03:33:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 03:33:17,158 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-19 03:33:17,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:17,166 INFO L225 Difference]: With dead ends: 487 [2020-08-19 03:33:17,167 INFO L226 Difference]: Without dead ends: 483 [2020-08-19 03:33:17,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-19 03:33:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-19 03:33:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-19 03:33:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-19 03:33:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-19 03:33:17,207 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-19 03:33:17,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:17,208 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-19 03:33:17,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 03:33:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-19 03:33:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-19 03:33:17,218 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:17,219 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 10, 10, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:17,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 03:33:17,219 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:17,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:17,220 INFO L82 PathProgramCache]: Analyzing trace with hash 400039386, now seen corresponding path program 7 times [2020-08-19 03:33:17,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:17,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250110817] [2020-08-19 03:33:17,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 03:33:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:17,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-19 03:33:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 308 proven. 1032 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2020-08-19 03:33:18,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250110817] [2020-08-19 03:33:18,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:18,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 03:33:18,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944562776] [2020-08-19 03:33:18,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 03:33:18,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:18,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 03:33:18,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 03:33:18,703 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-19 03:33:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:19,139 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-19 03:33:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 03:33:19,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 436 [2020-08-19 03:33:19,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:19,147 INFO L225 Difference]: With dead ends: 978 [2020-08-19 03:33:19,147 INFO L226 Difference]: Without dead ends: 529 [2020-08-19 03:33:19,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 03:33:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-19 03:33:19,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-19 03:33:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-19 03:33:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-19 03:33:19,199 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 436 [2020-08-19 03:33:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:19,199 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-19 03:33:19,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 03:33:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-19 03:33:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-19 03:33:19,206 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:19,207 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 40, 38, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 16, 14, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:19,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-19 03:33:19,207 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:19,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:19,207 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-19 03:33:19,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:19,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137714362] [2020-08-19 03:33:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:19,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-19 03:33:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 03:33:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-19 03:33:21,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137714362] [2020-08-19 03:33:21,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:21,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-19 03:33:21,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321518192] [2020-08-19 03:33:21,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-19 03:33:21,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:21,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-19 03:33:21,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-19 03:33:21,872 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-19 03:33:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:23,870 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-19 03:33:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-19 03:33:23,871 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-19 03:33:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:23,876 INFO L225 Difference]: With dead ends: 751 [2020-08-19 03:33:23,877 INFO L226 Difference]: Without dead ends: 215 [2020-08-19 03:33:23,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-19 03:33:23,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-19 03:33:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-19 03:33:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-19 03:33:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-19 03:33:23,895 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-19 03:33:23,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:23,896 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-19 03:33:23,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-19 03:33:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-19 03:33:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-19 03:33:23,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:23,900 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:23,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-19 03:33:23,900 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:23,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 9 times [2020-08-19 03:33:23,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:23,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267931239] [2020-08-19 03:33:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-19 03:33:25,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267931239] [2020-08-19 03:33:25,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:25,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 03:33:25,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4658561] [2020-08-19 03:33:25,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 03:33:25,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:25,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 03:33:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-19 03:33:25,467 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 13 states. [2020-08-19 03:33:25,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:25,961 INFO L93 Difference]: Finished difference Result 417 states and 633 transitions. [2020-08-19 03:33:25,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 03:33:25,962 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-19 03:33:25,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:25,972 INFO L225 Difference]: With dead ends: 417 [2020-08-19 03:33:25,972 INFO L226 Difference]: Without dead ends: 413 [2020-08-19 03:33:25,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-19 03:33:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-08-19 03:33:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 374. [2020-08-19 03:33:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-08-19 03:33:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 563 transitions. [2020-08-19 03:33:26,027 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 563 transitions. Word has length 463 [2020-08-19 03:33:26,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:26,029 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 563 transitions. [2020-08-19 03:33:26,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 03:33:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 563 transitions. [2020-08-19 03:33:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-19 03:33:26,042 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:26,043 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:26,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-19 03:33:26,043 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:26,044 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 10 times [2020-08-19 03:33:26,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:26,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85567054] [2020-08-19 03:33:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:26,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:26,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 03:33:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:27,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:28,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-19 03:33:29,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85567054] [2020-08-19 03:33:29,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:29,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 03:33:29,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029054644] [2020-08-19 03:33:29,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 03:33:29,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:29,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 03:33:29,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 03:33:29,163 INFO L87 Difference]: Start difference. First operand 374 states and 563 transitions. Second operand 18 states. [2020-08-19 03:33:30,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:30,057 INFO L93 Difference]: Finished difference Result 852 states and 1393 transitions. [2020-08-19 03:33:30,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-19 03:33:30,058 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-19 03:33:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:30,066 INFO L225 Difference]: With dead ends: 852 [2020-08-19 03:33:30,066 INFO L226 Difference]: Without dead ends: 503 [2020-08-19 03:33:30,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 03:33:30,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-08-19 03:33:30,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 447. [2020-08-19 03:33:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-08-19 03:33:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 682 transitions. [2020-08-19 03:33:30,102 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 682 transitions. Word has length 790 [2020-08-19 03:33:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:30,103 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 682 transitions. [2020-08-19 03:33:30,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 03:33:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 682 transitions. [2020-08-19 03:33:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-19 03:33:30,112 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:30,113 INFO L422 BasicCegarLoop]: trace histogram [69, 69, 66, 66, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 14, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:30,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-19 03:33:30,113 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:30,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:30,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2005403070, now seen corresponding path program 11 times [2020-08-19 03:33:30,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:30,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579244021] [2020-08-19 03:33:30,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:30,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:31,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:32,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25236 backedges. 1773 proven. 3546 refuted. 0 times theorem prover too weak. 19917 trivial. 0 not checked. [2020-08-19 03:33:33,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579244021] [2020-08-19 03:33:33,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:33,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-19 03:33:33,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238026183] [2020-08-19 03:33:33,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-19 03:33:33,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:33,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-19 03:33:33,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-19 03:33:33,432 INFO L87 Difference]: Start difference. First operand 447 states and 682 transitions. Second operand 22 states. [2020-08-19 03:33:35,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:35,159 INFO L93 Difference]: Finished difference Result 767 states and 1287 transitions. [2020-08-19 03:33:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-19 03:33:35,160 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 926 [2020-08-19 03:33:35,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:35,166 INFO L225 Difference]: With dead ends: 767 [2020-08-19 03:33:35,167 INFO L226 Difference]: Without dead ends: 286 [2020-08-19 03:33:35,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=2986, Unknown=0, NotChecked=0, Total=3422 [2020-08-19 03:33:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-19 03:33:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2020-08-19 03:33:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-08-19 03:33:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 319 transitions. [2020-08-19 03:33:35,193 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 319 transitions. Word has length 926 [2020-08-19 03:33:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:35,194 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 319 transitions. [2020-08-19 03:33:35,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-19 03:33:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 319 transitions. [2020-08-19 03:33:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2020-08-19 03:33:35,208 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:35,209 INFO L422 BasicCegarLoop]: trace histogram [97, 97, 90, 90, 76, 75, 48, 48, 48, 48, 48, 48, 48, 45, 45, 45, 45, 45, 45, 45, 30, 28, 22, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:35,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-19 03:33:35,209 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:35,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1884309470, now seen corresponding path program 12 times [2020-08-19 03:33:35,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:35,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557184551] [2020-08-19 03:33:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 03:33:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:37,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-19 03:33:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 03:33:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 48741 backedges. 1022 proven. 5587 refuted. 0 times theorem prover too weak. 42132 trivial. 0 not checked. [2020-08-19 03:33:40,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557184551] [2020-08-19 03:33:40,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:40,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 03:33:40,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594245521] [2020-08-19 03:33:40,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 03:33:40,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:40,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 03:33:40,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 03:33:40,165 INFO L87 Difference]: Start difference. First operand 221 states and 319 transitions. Second operand 18 states. [2020-08-19 03:33:41,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:41,173 INFO L93 Difference]: Finished difference Result 452 states and 690 transitions. [2020-08-19 03:33:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-19 03:33:41,174 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1280 [2020-08-19 03:33:41,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:41,178 INFO L225 Difference]: With dead ends: 452 [2020-08-19 03:33:41,178 INFO L226 Difference]: Without dead ends: 253 [2020-08-19 03:33:41,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=1472, Unknown=0, NotChecked=0, Total=1722 [2020-08-19 03:33:41,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-08-19 03:33:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 217. [2020-08-19 03:33:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-19 03:33:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 309 transitions. [2020-08-19 03:33:41,195 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 309 transitions. Word has length 1280 [2020-08-19 03:33:41,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:41,196 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 309 transitions. [2020-08-19 03:33:41,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 03:33:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 309 transitions. [2020-08-19 03:33:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-19 03:33:41,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:41,205 INFO L422 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 57, 57, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 22, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:41,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-19 03:33:41,206 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:41,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:41,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1208378903, now seen corresponding path program 13 times [2020-08-19 03:33:41,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:41,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241923562] [2020-08-19 03:33:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:41,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 03:33:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:42,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-19 03:33:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:43,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 1093 proven. 3572 refuted. 0 times theorem prover too weak. 22887 trivial. 0 not checked. [2020-08-19 03:33:44,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241923562] [2020-08-19 03:33:44,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:44,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 03:33:44,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952915142] [2020-08-19 03:33:44,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 03:33:44,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:44,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 03:33:44,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 03:33:44,239 INFO L87 Difference]: Start difference. First operand 217 states and 309 transitions. Second operand 18 states. [2020-08-19 03:33:45,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:45,003 INFO L93 Difference]: Finished difference Result 441 states and 661 transitions. [2020-08-19 03:33:45,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-19 03:33:45,004 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 967 [2020-08-19 03:33:45,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:45,008 INFO L225 Difference]: With dead ends: 441 [2020-08-19 03:33:45,008 INFO L226 Difference]: Without dead ends: 250 [2020-08-19 03:33:45,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 03:33:45,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-08-19 03:33:45,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2020-08-19 03:33:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-08-19 03:33:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 334 transitions. [2020-08-19 03:33:45,027 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 334 transitions. Word has length 967 [2020-08-19 03:33:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:45,028 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 334 transitions. [2020-08-19 03:33:45,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 03:33:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 334 transitions. [2020-08-19 03:33:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1458 [2020-08-19 03:33:45,045 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:45,046 INFO L422 BasicCegarLoop]: trace histogram [107, 107, 106, 106, 86, 86, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 33, 33, 21, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:45,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-19 03:33:45,046 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:45,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:45,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1458423033, now seen corresponding path program 14 times [2020-08-19 03:33:45,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:45,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223511166] [2020-08-19 03:33:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:45,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-19 03:33:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-19 03:33:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 63278 backedges. 1707 proven. 6323 refuted. 0 times theorem prover too weak. 55248 trivial. 0 not checked. [2020-08-19 03:33:50,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223511166] [2020-08-19 03:33:50,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:33:50,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 03:33:50,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329522053] [2020-08-19 03:33:50,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 03:33:50,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:33:50,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 03:33:50,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-19 03:33:50,298 INFO L87 Difference]: Start difference. First operand 232 states and 334 transitions. Second operand 20 states. [2020-08-19 03:33:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:33:51,399 INFO L93 Difference]: Finished difference Result 471 states and 702 transitions. [2020-08-19 03:33:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-19 03:33:51,405 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1457 [2020-08-19 03:33:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:33:51,410 INFO L225 Difference]: With dead ends: 471 [2020-08-19 03:33:51,411 INFO L226 Difference]: Without dead ends: 265 [2020-08-19 03:33:51,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-19 03:33:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-08-19 03:33:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 224. [2020-08-19 03:33:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-19 03:33:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 311 transitions. [2020-08-19 03:33:51,430 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 311 transitions. Word has length 1457 [2020-08-19 03:33:51,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:33:51,431 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 311 transitions. [2020-08-19 03:33:51,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 03:33:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 311 transitions. [2020-08-19 03:33:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-19 03:33:51,456 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:33:51,457 INFO L422 BasicCegarLoop]: trace histogram [123, 123, 122, 122, 100, 98, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 39, 37, 24, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:33:51,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-19 03:33:51,458 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:33:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:33:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash -607258563, now seen corresponding path program 15 times [2020-08-19 03:33:51,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:33:51,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668355052] [2020-08-19 03:33:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:33:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:33:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 03:33:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 03:33:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 03:33:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 03:33:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 03:33:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 03:33:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 03:33:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 03:33:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 03:33:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 03:33:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:33:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745