/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 06:15:10,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:15:10,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:15:10,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:15:10,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:15:10,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:15:10,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:15:10,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:15:10,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:15:10,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:15:10,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:15:10,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:15:10,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:15:10,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:15:10,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:15:10,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:15:10,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:15:10,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:15:10,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:15:10,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:15:10,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:15:10,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:15:10,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:15:10,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:15:10,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 06:15:10,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 06:15:10,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 06:15:10,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 06:15:10,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 06:15:10,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 06:15:10,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 06:15:10,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 06:15:10,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 06:15:10,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 06:15:10,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 06:15:10,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 06:15:10,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 06:15:10,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 06:15:10,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:15:10,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:15:10,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:15:10,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 06:15:10,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:15:10,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:15:10,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:15:10,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:15:10,336 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:15:10,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:15:10,336 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 06:15:10,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:15:10,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 06:15:10,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:15:10,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:15:10,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:15:10,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:15:10,338 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 06:15:10,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:15:10,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:15:10,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:15:10,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:15:10,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:15:10,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:15:10,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:15:10,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:15:10,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:15:10,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:15:10,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:15:10,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:15:10,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:15:10,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:15:10,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:15:10,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-08-22 06:15:10,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:15:10,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:15:10,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:15:10,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:15:10,640 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:15:10,641 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-22 06:15:10,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d9d56688/80f39ee349144e1f8e2d25db70819cf7/FLAG968540f4d [2020-08-22 06:15:11,199 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:15:11,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-22 06:15:11,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d9d56688/80f39ee349144e1f8e2d25db70819cf7/FLAG968540f4d [2020-08-22 06:15:11,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d9d56688/80f39ee349144e1f8e2d25db70819cf7 [2020-08-22 06:15:11,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:15:11,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:15:11,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:15:11,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:15:11,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:15:11,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:11,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6cecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11, skipping insertion in model container [2020-08-22 06:15:11,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:11,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:15:11,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:15:11,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:15:11,865 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:15:11,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:15:11,913 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:15:11,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11 WrapperNode [2020-08-22 06:15:11,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:15:11,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:15:11,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:15:11,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:15:11,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:11,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... [2020-08-22 06:15:12,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:15:12,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:15:12,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:15:12,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:15:12,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:15:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:15:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:15:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-22 06:15:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-22 06:15:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:15:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:15:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:15:12,347 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:15:12,348 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 06:15:12,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:15:12 BoogieIcfgContainer [2020-08-22 06:15:12,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:15:12,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:15:12,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:15:12,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:15:12,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:15:11" (1/3) ... [2020-08-22 06:15:12,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c670fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:15:12, skipping insertion in model container [2020-08-22 06:15:12,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:11" (2/3) ... [2020-08-22 06:15:12,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c670fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:15:12, skipping insertion in model container [2020-08-22 06:15:12,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:15:12" (3/3) ... [2020-08-22 06:15:12,362 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-08-22 06:15:12,377 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:15:12,389 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 06:15:12,410 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 06:15:12,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:15:12,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:15:12,441 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:15:12,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:15:12,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:15:12,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:15:12,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:15:12,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:15:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-22 06:15:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 06:15:12,472 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:12,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:12,476 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:12,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:12,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-22 06:15:12,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:12,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352514079] [2020-08-22 06:15:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 06:15:12,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352514079] [2020-08-22 06:15:12,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:15:12,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:15:12,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334174154] [2020-08-22 06:15:12,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:15:12,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:12,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:15:12,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:15:12,762 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-22 06:15:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:12,869 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-22 06:15:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:15:12,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 06:15:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:12,883 INFO L225 Difference]: With dead ends: 44 [2020-08-22 06:15:12,884 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 06:15:12,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:15:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 06:15:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 06:15:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 06:15:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 06:15:12,940 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-22 06:15:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:12,940 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 06:15:12,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:15:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 06:15:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 06:15:12,943 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:12,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:12,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:15:12,944 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:12,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:12,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-22 06:15:12,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:12,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718379149] [2020-08-22 06:15:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 06:15:13,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718379149] [2020-08-22 06:15:13,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:15:13,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:15:13,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195445395] [2020-08-22 06:15:13,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:15:13,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:13,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:15:13,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:15:13,026 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-22 06:15:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:13,085 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-22 06:15:13,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:15:13,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 06:15:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:13,088 INFO L225 Difference]: With dead ends: 36 [2020-08-22 06:15:13,088 INFO L226 Difference]: Without dead ends: 32 [2020-08-22 06:15:13,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:15:13,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-22 06:15:13,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-22 06:15:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 06:15:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 06:15:13,099 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-22 06:15:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:13,099 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 06:15:13,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:15:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 06:15:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 06:15:13,101 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:13,102 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] [2020-08-22 06:15:13,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:15:13,102 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:13,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:13,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-22 06:15:13,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:13,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035479778] [2020-08-22 06:15:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:15:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 06:15:13,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035479778] [2020-08-22 06:15:13,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:13,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 06:15:13,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738765512] [2020-08-22 06:15:13,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:15:13,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:13,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:15:13,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:15:13,266 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-22 06:15:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:13,372 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-22 06:15:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:15:13,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-22 06:15:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:13,376 INFO L225 Difference]: With dead ends: 58 [2020-08-22 06:15:13,376 INFO L226 Difference]: Without dead ends: 34 [2020-08-22 06:15:13,378 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 [2020-08-22 06:15:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-22 06:15:13,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-22 06:15:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-22 06:15:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-22 06:15:13,390 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-22 06:15:13,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:13,391 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-22 06:15:13,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:15:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-22 06:15:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 06:15:13,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:13,394 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] [2020-08-22 06:15:13,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 06:15:13,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:13,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:13,396 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-22 06:15:13,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:13,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065459620] [2020-08-22 06:15:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 06:15:13,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065459620] [2020-08-22 06:15:13,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:13,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 06:15:13,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071520612] [2020-08-22 06:15:13,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:15:13,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:13,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:15:13,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:15:13,606 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-22 06:15:13,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:13,826 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-22 06:15:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:15:13,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-22 06:15:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:13,830 INFO L225 Difference]: With dead ends: 54 [2020-08-22 06:15:13,831 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 06:15:13,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:15:13,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 06:15:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-22 06:15:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-22 06:15:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-22 06:15:13,850 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-22 06:15:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:13,851 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-22 06:15:13,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:15:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-22 06:15:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 06:15:13,853 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:13,853 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] [2020-08-22 06:15:13,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 06:15:13,854 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:13,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:13,854 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-22 06:15:13,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:13,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703185429] [2020-08-22 06:15:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:15:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:15:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 06:15:13,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703185429] [2020-08-22 06:15:13,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:13,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:15:13,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694707157] [2020-08-22 06:15:13,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:15:13,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:13,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:15:13,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:15:13,970 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-22 06:15:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:14,041 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-22 06:15:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:15:14,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-22 06:15:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:14,044 INFO L225 Difference]: With dead ends: 94 [2020-08-22 06:15:14,044 INFO L226 Difference]: Without dead ends: 52 [2020-08-22 06:15:14,046 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 [2020-08-22 06:15:14,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-22 06:15:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-22 06:15:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-22 06:15:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-22 06:15:14,058 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-22 06:15:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:14,059 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-22 06:15:14,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:15:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-22 06:15:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 06:15:14,061 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:14,061 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] [2020-08-22 06:15:14,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 06:15:14,062 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-22 06:15:14,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:14,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735605707] [2020-08-22 06:15:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 06:15:14,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735605707] [2020-08-22 06:15:14,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:14,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:14,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072585136] [2020-08-22 06:15:14,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:14,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:14,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:14,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:14,257 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-22 06:15:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:14,371 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-22 06:15:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:15:14,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-22 06:15:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:14,374 INFO L225 Difference]: With dead ends: 103 [2020-08-22 06:15:14,374 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 06:15:14,376 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 [2020-08-22 06:15:14,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 06:15:14,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-22 06:15:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-22 06:15:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-22 06:15:14,388 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-22 06:15:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:14,389 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-22 06:15:14,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-22 06:15:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 06:15:14,392 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:14,392 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] [2020-08-22 06:15:14,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 06:15:14,392 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:14,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:14,393 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-22 06:15:14,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:14,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577210329] [2020-08-22 06:15:14,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 06:15:14,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577210329] [2020-08-22 06:15:14,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:14,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:14,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696433267] [2020-08-22 06:15:14,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:14,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:14,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:14,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:14,505 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-22 06:15:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:14,695 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-22 06:15:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 06:15:14,696 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-22 06:15:14,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:14,699 INFO L225 Difference]: With dead ends: 86 [2020-08-22 06:15:14,699 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 06:15:14,700 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 [2020-08-22 06:15:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 06:15:14,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-22 06:15:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-22 06:15:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-22 06:15:14,719 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-22 06:15:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:14,720 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-22 06:15:14,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-22 06:15:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 06:15:14,723 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:14,723 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] [2020-08-22 06:15:14,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 06:15:14,724 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:14,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:14,724 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-22 06:15:14,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:14,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124725251] [2020-08-22 06:15:14,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-22 06:15:14,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124725251] [2020-08-22 06:15:14,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:14,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:14,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286669305] [2020-08-22 06:15:14,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:14,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:14,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:14,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:14,945 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-22 06:15:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:15,070 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-22 06:15:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:15:15,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-22 06:15:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:15,073 INFO L225 Difference]: With dead ends: 167 [2020-08-22 06:15:15,073 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 06:15:15,076 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 [2020-08-22 06:15:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 06:15:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 06:15:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 06:15:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-22 06:15:15,094 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-22 06:15:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:15,094 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-22 06:15:15,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-22 06:15:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 06:15:15,098 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:15,098 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] [2020-08-22 06:15:15,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 06:15:15,098 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:15,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:15,099 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-22 06:15:15,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:15,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768307602] [2020-08-22 06:15:15,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 06:15:15,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768307602] [2020-08-22 06:15:15,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:15,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 06:15:15,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873150019] [2020-08-22 06:15:15,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 06:15:15,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:15,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 06:15:15,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:15:15,279 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-22 06:15:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:15,499 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-22 06:15:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 06:15:15,500 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-22 06:15:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:15,502 INFO L225 Difference]: With dead ends: 188 [2020-08-22 06:15:15,503 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 06:15:15,504 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 [2020-08-22 06:15:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 06:15:15,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-22 06:15:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 06:15:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-22 06:15:15,523 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-22 06:15:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:15,523 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-22 06:15:15,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 06:15:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-22 06:15:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-22 06:15:15,527 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:15,527 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] [2020-08-22 06:15:15,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 06:15:15,528 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:15,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:15,528 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-22 06:15:15,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:15,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770901291] [2020-08-22 06:15:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-22 06:15:15,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770901291] [2020-08-22 06:15:15,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:15,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 06:15:15,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979750126] [2020-08-22 06:15:15,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 06:15:15,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:15,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 06:15:15,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:15:15,791 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-22 06:15:16,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:16,181 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-22 06:15:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 06:15:16,182 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-22 06:15:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:16,184 INFO L225 Difference]: With dead ends: 199 [2020-08-22 06:15:16,184 INFO L226 Difference]: Without dead ends: 86 [2020-08-22 06:15:16,186 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 [2020-08-22 06:15:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-22 06:15:16,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-22 06:15:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-22 06:15:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-22 06:15:16,196 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-22 06:15:16,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:16,197 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-22 06:15:16,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 06:15:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-22 06:15:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 06:15:16,199 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:16,199 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] [2020-08-22 06:15:16,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 06:15:16,199 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:16,200 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-22 06:15:16,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:16,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837843792] [2020-08-22 06:15:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 06:15:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-22 06:15:16,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837843792] [2020-08-22 06:15:16,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:16,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 06:15:16,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399675780] [2020-08-22 06:15:16,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 06:15:16,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:16,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 06:15:16,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:15:16,459 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-22 06:15:16,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:16,658 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-22 06:15:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 06:15:16,658 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-22 06:15:16,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:16,660 INFO L225 Difference]: With dead ends: 142 [2020-08-22 06:15:16,660 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 06:15:16,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 06:15:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-22 06:15:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-22 06:15:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-22 06:15:16,680 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-22 06:15:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:16,680 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-22 06:15:16,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 06:15:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-22 06:15:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 06:15:16,683 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:16,683 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] [2020-08-22 06:15:16,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 06:15:16,683 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:16,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-22 06:15:16,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:16,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272405761] [2020-08-22 06:15:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 06:15:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:16,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:15:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 06:15:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-22 06:15:17,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272405761] [2020-08-22 06:15:17,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:17,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 06:15:17,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851864296] [2020-08-22 06:15:17,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 06:15:17,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:17,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 06:15:17,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-22 06:15:17,166 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-22 06:15:17,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:17,782 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-22 06:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 06:15:17,783 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-22 06:15:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:17,785 INFO L225 Difference]: With dead ends: 184 [2020-08-22 06:15:17,785 INFO L226 Difference]: Without dead ends: 111 [2020-08-22 06:15:17,787 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 [2020-08-22 06:15:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-22 06:15:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-22 06:15:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 06:15:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-22 06:15:17,803 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-22 06:15:17,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:17,805 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-22 06:15:17,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 06:15:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-22 06:15:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-22 06:15:17,809 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:17,809 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] [2020-08-22 06:15:17,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 06:15:17,809 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:17,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:17,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-22 06:15:17,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:17,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917257886] [2020-08-22 06:15:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 06:15:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-22 06:15:18,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917257886] [2020-08-22 06:15:18,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:18,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:18,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098677077] [2020-08-22 06:15:18,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:18,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:18,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:18,088 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-22 06:15:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:18,336 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-22 06:15:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 06:15:18,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-22 06:15:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:18,338 INFO L225 Difference]: With dead ends: 188 [2020-08-22 06:15:18,338 INFO L226 Difference]: Without dead ends: 101 [2020-08-22 06:15:18,340 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 [2020-08-22 06:15:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-22 06:15:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-22 06:15:18,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-22 06:15:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-22 06:15:18,354 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-22 06:15:18,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:18,357 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-22 06:15:18,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-22 06:15:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 06:15:18,362 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:18,362 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] [2020-08-22 06:15:18,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 06:15:18,362 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-22 06:15:18,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:18,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636807004] [2020-08-22 06:15:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 06:15:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-22 06:15:18,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636807004] [2020-08-22 06:15:18,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:18,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:18,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211605945] [2020-08-22 06:15:18,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:18,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:18,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:18,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:18,963 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-22 06:15:19,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:19,487 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-22 06:15:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 06:15:19,488 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-22 06:15:19,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:19,492 INFO L225 Difference]: With dead ends: 224 [2020-08-22 06:15:19,492 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 06:15:19,494 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 [2020-08-22 06:15:19,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 06:15:19,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-22 06:15:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 06:15:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-22 06:15:19,506 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-22 06:15:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:19,506 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-22 06:15:19,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-22 06:15:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 06:15:19,509 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:19,509 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] [2020-08-22 06:15:19,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 06:15:19,510 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:19,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:19,511 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-22 06:15:19,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:19,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652518143] [2020-08-22 06:15:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-22 06:15:19,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652518143] [2020-08-22 06:15:19,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:19,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:19,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678279430] [2020-08-22 06:15:19,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:19,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:19,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:19,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:19,915 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-22 06:15:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:20,208 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-22 06:15:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 06:15:20,209 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-22 06:15:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:20,213 INFO L225 Difference]: With dead ends: 244 [2020-08-22 06:15:20,213 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 06:15:20,218 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 [2020-08-22 06:15:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 06:15:20,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-22 06:15:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-22 06:15:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-22 06:15:20,246 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-22 06:15:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:20,246 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-22 06:15:20,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-22 06:15:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-22 06:15:20,255 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:20,255 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] [2020-08-22 06:15:20,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 06:15:20,256 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:20,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-22 06:15:20,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:20,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171245054] [2020-08-22 06:15:20,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 06:15:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-22 06:15:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 06:15:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-22 06:15:21,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171245054] [2020-08-22 06:15:21,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:21,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:21,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472424802] [2020-08-22 06:15:21,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:21,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:21,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:21,175 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-22 06:15:21,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:21,424 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-22 06:15:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 06:15:21,425 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-22 06:15:21,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:21,428 INFO L225 Difference]: With dead ends: 429 [2020-08-22 06:15:21,429 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 06:15:21,431 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 [2020-08-22 06:15:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 06:15:21,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-22 06:15:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-22 06:15:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-22 06:15:21,450 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-22 06:15:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:21,450 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-22 06:15:21,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-22 06:15:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 06:15:21,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:21,454 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] [2020-08-22 06:15:21,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 06:15:21,454 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:21,455 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-22 06:15:21,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:21,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222109400] [2020-08-22 06:15:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 06:15:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-22 06:15:21,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222109400] [2020-08-22 06:15:21,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:21,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:21,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015299155] [2020-08-22 06:15:21,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:21,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:21,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:21,958 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-22 06:15:22,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:22,556 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-22 06:15:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 06:15:22,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-22 06:15:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:22,564 INFO L225 Difference]: With dead ends: 454 [2020-08-22 06:15:22,564 INFO L226 Difference]: Without dead ends: 246 [2020-08-22 06:15:22,568 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 [2020-08-22 06:15:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-22 06:15:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-22 06:15:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-22 06:15:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-22 06:15:22,595 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-22 06:15:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:22,596 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-22 06:15:22,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-22 06:15:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 06:15:22,605 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:22,606 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] [2020-08-22 06:15:22,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 06:15:22,606 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:22,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:22,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-22 06:15:22,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:22,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646571944] [2020-08-22 06:15:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:22,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:22,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:22,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-22 06:15:23,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646571944] [2020-08-22 06:15:23,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:23,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 06:15:23,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934887873] [2020-08-22 06:15:23,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 06:15:23,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:23,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 06:15:23,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:15:23,387 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-22 06:15:23,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:23,736 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-22 06:15:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 06:15:23,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-22 06:15:23,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:23,750 INFO L225 Difference]: With dead ends: 487 [2020-08-22 06:15:23,750 INFO L226 Difference]: Without dead ends: 483 [2020-08-22 06:15:23,752 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 [2020-08-22 06:15:23,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-22 06:15:23,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-22 06:15:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-22 06:15:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-22 06:15:23,791 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-22 06:15:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:23,792 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-22 06:15:23,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 06:15:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-22 06:15:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-22 06:15:23,801 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:23,801 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] [2020-08-22 06:15:23,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 06:15:23,802 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:23,803 INFO L82 PathProgramCache]: Analyzing trace with hash 400039386, now seen corresponding path program 7 times [2020-08-22 06:15:23,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:23,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998650731] [2020-08-22 06:15:23,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:23,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 06:15:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-22 06:15:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 308 proven. 1032 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2020-08-22 06:15:24,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998650731] [2020-08-22 06:15:24,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:24,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:24,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410992706] [2020-08-22 06:15:24,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:24,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:24,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:24,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:24,990 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-22 06:15:25,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:25,549 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-22 06:15:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 06:15:25,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 436 [2020-08-22 06:15:25,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:25,561 INFO L225 Difference]: With dead ends: 978 [2020-08-22 06:15:25,561 INFO L226 Difference]: Without dead ends: 529 [2020-08-22 06:15:25,568 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 [2020-08-22 06:15:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-22 06:15:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-22 06:15:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-22 06:15:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-22 06:15:25,624 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 436 [2020-08-22 06:15:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:25,625 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-22 06:15:25,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-22 06:15:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-22 06:15:25,670 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:25,671 INFO L422 BasicCegarLoop]: trace histogram [56, 56, 53, 53, 44, 44, 28, 28, 28, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 26, 18, 16, 12, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:25,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 06:15:25,671 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:25,672 INFO L82 PathProgramCache]: Analyzing trace with hash -368989825, now seen corresponding path program 8 times [2020-08-22 06:15:25,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:25,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97477923] [2020-08-22 06:15:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 06:15:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:27,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16376 backedges. 2009 proven. 3039 refuted. 0 times theorem prover too weak. 11328 trivial. 0 not checked. [2020-08-22 06:15:28,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97477923] [2020-08-22 06:15:28,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:28,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-08-22 06:15:28,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562721436] [2020-08-22 06:15:28,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-08-22 06:15:28,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:28,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-08-22 06:15:28,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2020-08-22 06:15:28,395 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 26 states. [2020-08-22 06:15:30,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:30,091 INFO L93 Difference]: Finished difference Result 740 states and 1206 transitions. [2020-08-22 06:15:30,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-08-22 06:15:30,092 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 749 [2020-08-22 06:15:30,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:30,095 INFO L225 Difference]: With dead ends: 740 [2020-08-22 06:15:30,096 INFO L226 Difference]: Without dead ends: 247 [2020-08-22 06:15:30,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1295 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=554, Invalid=3736, Unknown=0, NotChecked=0, Total=4290 [2020-08-22 06:15:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-08-22 06:15:30,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 195. [2020-08-22 06:15:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-08-22 06:15:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 278 transitions. [2020-08-22 06:15:30,117 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 278 transitions. Word has length 749 [2020-08-22 06:15:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:30,118 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 278 transitions. [2020-08-22 06:15:30,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-08-22 06:15:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 278 transitions. [2020-08-22 06:15:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2020-08-22 06:15:30,152 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:30,153 INFO L422 BasicCegarLoop]: trace histogram [66, 66, 63, 63, 52, 52, 33, 33, 33, 33, 33, 33, 33, 31, 31, 31, 31, 31, 31, 31, 21, 19, 14, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:30,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 06:15:30,153 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:30,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:30,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2016984897, now seen corresponding path program 9 times [2020-08-22 06:15:30,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:30,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016917464] [2020-08-22 06:15:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:31,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-08-22 06:15:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:15:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:32,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23016 backedges. 1667 proven. 3915 refuted. 0 times theorem prover too weak. 17434 trivial. 0 not checked. [2020-08-22 06:15:33,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016917464] [2020-08-22 06:15:33,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:33,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 06:15:33,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876545756] [2020-08-22 06:15:33,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 06:15:33,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:33,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 06:15:33,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-08-22 06:15:33,447 INFO L87 Difference]: Start difference. First operand 195 states and 278 transitions. Second operand 20 states. [2020-08-22 06:15:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:34,842 INFO L93 Difference]: Finished difference Result 449 states and 754 transitions. [2020-08-22 06:15:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-08-22 06:15:34,843 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 885 [2020-08-22 06:15:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:34,846 INFO L225 Difference]: With dead ends: 449 [2020-08-22 06:15:34,846 INFO L226 Difference]: Without dead ends: 263 [2020-08-22 06:15:34,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=341, Invalid=2209, Unknown=0, NotChecked=0, Total=2550 [2020-08-22 06:15:34,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-08-22 06:15:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 197. [2020-08-22 06:15:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-08-22 06:15:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 284 transitions. [2020-08-22 06:15:34,879 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 284 transitions. Word has length 885 [2020-08-22 06:15:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:34,882 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 284 transitions. [2020-08-22 06:15:34,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 06:15:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 284 transitions. [2020-08-22 06:15:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2020-08-22 06:15:34,904 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:34,905 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 82, 82, 70, 68, 44, 44, 44, 44, 44, 44, 44, 41, 41, 41, 41, 41, 41, 41, 29, 24, 19, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:34,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 06:15:34,906 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1259293838, now seen corresponding path program 10 times [2020-08-22 06:15:34,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:34,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697684790] [2020-08-22 06:15:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:36,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:15:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 06:15:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:15:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2020-08-22 06:15:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:15:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 06:15:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 40705 backedges. 2416 proven. 6731 refuted. 0 times theorem prover too weak. 31558 trivial. 0 not checked. [2020-08-22 06:15:39,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1697684790] [2020-08-22 06:15:39,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:39,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 06:15:39,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692725298] [2020-08-22 06:15:39,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 06:15:39,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 06:15:39,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-22 06:15:39,441 INFO L87 Difference]: Start difference. First operand 197 states and 284 transitions. Second operand 16 states. [2020-08-22 06:15:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:40,072 INFO L93 Difference]: Finished difference Result 407 states and 625 transitions. [2020-08-22 06:15:40,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 06:15:40,075 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1171 [2020-08-22 06:15:40,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:40,079 INFO L225 Difference]: With dead ends: 407 [2020-08-22 06:15:40,079 INFO L226 Difference]: Without dead ends: 224 [2020-08-22 06:15:40,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-22 06:15:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-08-22 06:15:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 214. [2020-08-22 06:15:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 06:15:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 304 transitions. [2020-08-22 06:15:40,100 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 304 transitions. Word has length 1171 [2020-08-22 06:15:40,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:40,100 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 304 transitions. [2020-08-22 06:15:40,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 06:15:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 304 transitions. [2020-08-22 06:15:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-22 06:15:40,108 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:40,109 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:40,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 06:15:40,109 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:40,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 11 times [2020-08-22 06:15:40,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:40,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680283280] [2020-08-22 06:15:40,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:40,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:40,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:40,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-22 06:15:42,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680283280] [2020-08-22 06:15:42,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:42,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:42,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753096999] [2020-08-22 06:15:42,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:42,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:42,327 INFO L87 Difference]: Start difference. First operand 214 states and 304 transitions. Second operand 14 states. [2020-08-22 06:15:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:42,793 INFO L93 Difference]: Finished difference Result 638 states and 992 transitions. [2020-08-22 06:15:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 06:15:42,793 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-22 06:15:42,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:42,804 INFO L225 Difference]: With dead ends: 638 [2020-08-22 06:15:42,804 INFO L226 Difference]: Without dead ends: 634 [2020-08-22 06:15:42,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-22 06:15:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-08-22 06:15:42,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 577. [2020-08-22 06:15:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-08-22 06:15:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 896 transitions. [2020-08-22 06:15:42,853 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 896 transitions. Word has length 749 [2020-08-22 06:15:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:42,854 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 896 transitions. [2020-08-22 06:15:42,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 896 transitions. [2020-08-22 06:15:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2020-08-22 06:15:42,870 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:42,871 INFO L422 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 76, 75, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 30, 28, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:42,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 06:15:42,871 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:42,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:42,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1402906014, now seen corresponding path program 12 times [2020-08-22 06:15:42,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:42,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383612235] [2020-08-22 06:15:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-22 06:15:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 48685 backedges. 1673 proven. 5311 refuted. 0 times theorem prover too weak. 41701 trivial. 0 not checked. [2020-08-22 06:15:47,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383612235] [2020-08-22 06:15:47,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:47,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 06:15:47,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008322675] [2020-08-22 06:15:47,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 06:15:47,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:47,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 06:15:47,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-22 06:15:47,539 INFO L87 Difference]: Start difference. First operand 577 states and 896 transitions. Second operand 20 states. [2020-08-22 06:15:48,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:48,818 INFO L93 Difference]: Finished difference Result 1214 states and 2041 transitions. [2020-08-22 06:15:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 06:15:48,819 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1280 [2020-08-22 06:15:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:48,829 INFO L225 Difference]: With dead ends: 1214 [2020-08-22 06:15:48,829 INFO L226 Difference]: Without dead ends: 651 [2020-08-22 06:15:48,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-22 06:15:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-08-22 06:15:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 530. [2020-08-22 06:15:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-08-22 06:15:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 782 transitions. [2020-08-22 06:15:48,874 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 782 transitions. Word has length 1280 [2020-08-22 06:15:48,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:48,875 INFO L479 AbstractCegarLoop]: Abstraction has 530 states and 782 transitions. [2020-08-22 06:15:48,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 06:15:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 782 transitions. [2020-08-22 06:15:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-22 06:15:48,885 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:48,885 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:48,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 06:15:48,886 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:48,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:48,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 13 times [2020-08-22 06:15:48,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:48,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688474292] [2020-08-22 06:15:48,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 06:15:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 31636 backedges. 2639 proven. 3391 refuted. 0 times theorem prover too weak. 25606 trivial. 0 not checked. [2020-08-22 06:15:51,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688474292] [2020-08-22 06:15:51,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:51,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-22 06:15:51,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649145217] [2020-08-22 06:15:51,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 06:15:51,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:51,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 06:15:51,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-22 06:15:51,835 INFO L87 Difference]: Start difference. First operand 530 states and 782 transitions. Second operand 22 states. [2020-08-22 06:15:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:53,276 INFO L93 Difference]: Finished difference Result 1218 states and 1996 transitions. [2020-08-22 06:15:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-22 06:15:53,277 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1035 [2020-08-22 06:15:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:53,297 INFO L225 Difference]: With dead ends: 1218 [2020-08-22 06:15:53,297 INFO L226 Difference]: Without dead ends: 710 [2020-08-22 06:15:53,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2413, Unknown=0, NotChecked=0, Total=2756 [2020-08-22 06:15:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2020-08-22 06:15:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 575. [2020-08-22 06:15:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-08-22 06:15:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 875 transitions. [2020-08-22 06:15:53,353 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 875 transitions. Word has length 1035 [2020-08-22 06:15:53,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:53,354 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 875 transitions. [2020-08-22 06:15:53,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 06:15:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 875 transitions. [2020-08-22 06:15:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-08-22 06:15:53,381 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:53,382 INFO L422 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 89, 88, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 34, 34, 22, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:53,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-22 06:15:53,382 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1471629456, now seen corresponding path program 14 times [2020-08-22 06:15:53,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:53,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959679601] [2020-08-22 06:15:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 06:15:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:15:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 66932 backedges. 3323 proven. 6811 refuted. 0 times theorem prover too weak. 56798 trivial. 0 not checked. [2020-08-22 06:15:59,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959679601] [2020-08-22 06:15:59,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:59,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-22 06:15:59,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457933862] [2020-08-22 06:15:59,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-22 06:15:59,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:59,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-22 06:15:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2020-08-22 06:15:59,905 INFO L87 Difference]: Start difference. First operand 575 states and 875 transitions. Second operand 24 states. [2020-08-22 06:16:01,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:01,854 INFO L93 Difference]: Finished difference Result 975 states and 1648 transitions. [2020-08-22 06:16:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-22 06:16:01,855 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1498 [2020-08-22 06:16:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:01,871 INFO L225 Difference]: With dead ends: 975 [2020-08-22 06:16:01,871 INFO L226 Difference]: Without dead ends: 353 [2020-08-22 06:16:01,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=523, Invalid=3767, Unknown=0, NotChecked=0, Total=4290 [2020-08-22 06:16:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-08-22 06:16:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 256. [2020-08-22 06:16:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-08-22 06:16:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 384 transitions. [2020-08-22 06:16:01,906 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 384 transitions. Word has length 1498 [2020-08-22 06:16:01,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:01,908 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 384 transitions. [2020-08-22 06:16:01,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-22 06:16:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 384 transitions. [2020-08-22 06:16:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2020-08-22 06:16:01,930 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:01,931 INFO L422 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 68, 67, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 26, 26, 17, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:01,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-22 06:16:01,932 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:01,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:01,932 INFO L82 PathProgramCache]: Analyzing trace with hash 980558134, now seen corresponding path program 15 times [2020-08-22 06:16:01,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:01,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137358031] [2020-08-22 06:16:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat