/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:52:46,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:52:46,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:52:46,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:52:46,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:52:46,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:52:46,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:52:46,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:52:46,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:52:46,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:52:46,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:52:46,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:52:46,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:52:46,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:52:46,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:52:46,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:52:46,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:52:46,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:52:46,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:52:46,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:52:46,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:52:46,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:52:46,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:52:46,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:52:46,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:52:46,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:52:46,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:52:46,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:52:46,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:52:46,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:52:46,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:52:46,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:52:46,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:52:46,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:52:46,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:52:46,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:52:46,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:52:46,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:52:46,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:52:46,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:52:46,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:52:46,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:52:46,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:52:46,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:52:46,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:52:46,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:52:46,379 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:52:46,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:52:46,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:52:46,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:52:46,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:52:46,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:52:46,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:52:46,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:52:46,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:52:46,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:52:46,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:52:46,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:52:46,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:52:46,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:52:46,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:52:46,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:52:46,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:52:46,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:52:46,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:52:46,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:52:46,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:52:46,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:52:46,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:52:46,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:52:46,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:52:46,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:52:46,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:52:46,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:52:46,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:52:46,714 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:52:46,714 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:52:46,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-18 21:52:46,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e1e82147/6b6a6f7bc3f445b78d1771659bc26a2c/FLAG33598f5a3 [2020-08-18 21:52:47,280 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:52:47,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-18 21:52:47,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e1e82147/6b6a6f7bc3f445b78d1771659bc26a2c/FLAG33598f5a3 [2020-08-18 21:52:47,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e1e82147/6b6a6f7bc3f445b78d1771659bc26a2c [2020-08-18 21:52:47,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:52:47,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:52:47,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:52:47,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:52:47,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:52:47,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:47,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47, skipping insertion in model container [2020-08-18 21:52:47,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:47,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:52:47,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:52:47,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:52:47,951 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:52:47,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:52:47,992 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:52:47,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47 WrapperNode [2020-08-18 21:52:47,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:52:47,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:52:47,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:52:47,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:52:48,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... [2020-08-18 21:52:48,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:52:48,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:52:48,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:52:48,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:52:48,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:52:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:52:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:52:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-08-18 21:52:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-08-18 21:52:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:52:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:52:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:52:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-08-18 21:52:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-08-18 21:52:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:52:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:52:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:52:48,442 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:52:48,442 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 21:52:48,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:52:48 BoogieIcfgContainer [2020-08-18 21:52:48,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:52:48,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:52:48,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:52:48,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:52:48,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:52:47" (1/3) ... [2020-08-18 21:52:48,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cb8f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:52:48, skipping insertion in model container [2020-08-18 21:52:48,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:52:47" (2/3) ... [2020-08-18 21:52:48,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16cb8f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:52:48, skipping insertion in model container [2020-08-18 21:52:48,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:52:48" (3/3) ... [2020-08-18 21:52:48,456 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-08-18 21:52:48,467 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:52:48,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:52:48,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:52:48,529 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:52:48,529 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:52:48,529 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:52:48,530 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:52:48,530 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:52:48,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:52:48,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:52:48,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:52:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-08-18 21:52:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-18 21:52:48,598 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:48,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:48,601 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:48,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:48,618 INFO L82 PathProgramCache]: Analyzing trace with hash -629617454, now seen corresponding path program 1 times [2020-08-18 21:52:48,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:48,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661836311] [2020-08-18 21:52:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:48,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:48,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:52:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:52:48,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661836311] [2020-08-18 21:52:48,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:52:48,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:52:48,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000274745] [2020-08-18 21:52:48,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:52:48,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:48,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:52:48,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:52:48,911 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-08-18 21:52:49,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:49,086 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-08-18 21:52:49,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:52:49,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-18 21:52:49,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:49,100 INFO L225 Difference]: With dead ends: 48 [2020-08-18 21:52:49,101 INFO L226 Difference]: Without dead ends: 27 [2020-08-18 21:52:49,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:52:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-08-18 21:52:49,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-08-18 21:52:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-18 21:52:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-08-18 21:52:49,159 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 20 [2020-08-18 21:52:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:49,159 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-08-18 21:52:49,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:52:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-08-18 21:52:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-18 21:52:49,163 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:49,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:49,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:52:49,164 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:49,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:49,164 INFO L82 PathProgramCache]: Analyzing trace with hash 223523063, now seen corresponding path program 1 times [2020-08-18 21:52:49,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:49,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912810427] [2020-08-18 21:52:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:52:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-18 21:52:49,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912810427] [2020-08-18 21:52:49,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:49,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 21:52:49,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820553402] [2020-08-18 21:52:49,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:52:49,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:49,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:52:49,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:52:49,464 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 10 states. [2020-08-18 21:52:49,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:49,860 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-08-18 21:52:49,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:52:49,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-08-18 21:52:49,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:49,864 INFO L225 Difference]: With dead ends: 61 [2020-08-18 21:52:49,864 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 21:52:49,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-08-18 21:52:49,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 21:52:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-08-18 21:52:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-18 21:52:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2020-08-18 21:52:49,893 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 30 [2020-08-18 21:52:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:49,894 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2020-08-18 21:52:49,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:52:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2020-08-18 21:52:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 21:52:49,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:49,899 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:49,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:52:49,900 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:49,900 INFO L82 PathProgramCache]: Analyzing trace with hash 640231516, now seen corresponding path program 2 times [2020-08-18 21:52:49,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:49,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087374397] [2020-08-18 21:52:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:52:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 21:52:50,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087374397] [2020-08-18 21:52:50,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:50,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:52:50,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543509011] [2020-08-18 21:52:50,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:52:50,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:50,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:52:50,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:52:50,129 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand 7 states. [2020-08-18 21:52:50,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:50,281 INFO L93 Difference]: Finished difference Result 77 states and 111 transitions. [2020-08-18 21:52:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:52:50,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-18 21:52:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:50,283 INFO L225 Difference]: With dead ends: 77 [2020-08-18 21:52:50,284 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 21:52:50,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:52:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 21:52:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-08-18 21:52:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-18 21:52:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2020-08-18 21:52:50,299 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 40 [2020-08-18 21:52:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:50,299 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2020-08-18 21:52:50,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:52:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2020-08-18 21:52:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-18 21:52:50,301 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:50,301 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] [2020-08-18 21:52:50,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:52:50,302 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:50,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:50,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1772916587, now seen corresponding path program 1 times [2020-08-18 21:52:50,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:50,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695374112] [2020-08-18 21:52:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:52:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 21:52:50,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695374112] [2020-08-18 21:52:50,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:50,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 21:52:50,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592544426] [2020-08-18 21:52:50,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:52:50,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:50,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:52:50,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:52:50,468 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 10 states. [2020-08-18 21:52:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:50,737 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2020-08-18 21:52:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 21:52:50,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-08-18 21:52:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:50,740 INFO L225 Difference]: With dead ends: 66 [2020-08-18 21:52:50,740 INFO L226 Difference]: Without dead ends: 46 [2020-08-18 21:52:50,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:52:50,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-18 21:52:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-08-18 21:52:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-18 21:52:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-08-18 21:52:50,754 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 36 [2020-08-18 21:52:50,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:50,754 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-08-18 21:52:50,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:52:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-08-18 21:52:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 21:52:50,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:50,757 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:50,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:52:50,758 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:50,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1240446734, now seen corresponding path program 3 times [2020-08-18 21:52:50,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:50,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668931621] [2020-08-18 21:52:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:52:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 21:52:50,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668931621] [2020-08-18 21:52:50,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:50,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 21:52:50,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089109659] [2020-08-18 21:52:50,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:52:50,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:50,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:52:50,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:52:50,905 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-08-18 21:52:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:51,147 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-08-18 21:52:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 21:52:51,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-08-18 21:52:51,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:51,149 INFO L225 Difference]: With dead ends: 71 [2020-08-18 21:52:51,149 INFO L226 Difference]: Without dead ends: 42 [2020-08-18 21:52:51,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:52:51,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-08-18 21:52:51,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-08-18 21:52:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-18 21:52:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2020-08-18 21:52:51,158 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 40 [2020-08-18 21:52:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:51,159 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-08-18 21:52:51,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:52:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2020-08-18 21:52:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 21:52:51,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:51,161 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:51,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:52:51,161 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash -979408629, now seen corresponding path program 2 times [2020-08-18 21:52:51,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:51,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397409637] [2020-08-18 21:52:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 21:52:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-08-18 21:52:51,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397409637] [2020-08-18 21:52:51,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:51,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-18 21:52:51,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747011311] [2020-08-18 21:52:51,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 21:52:51,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:51,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 21:52:51,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:52:51,444 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 13 states. [2020-08-18 21:52:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:51,801 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-08-18 21:52:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 21:52:51,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-08-18 21:52:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:51,803 INFO L225 Difference]: With dead ends: 65 [2020-08-18 21:52:51,803 INFO L226 Difference]: Without dead ends: 61 [2020-08-18 21:52:51,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-08-18 21:52:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-18 21:52:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-08-18 21:52:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 21:52:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-18 21:52:51,816 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 56 [2020-08-18 21:52:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:51,816 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-18 21:52:51,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 21:52:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-18 21:52:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-18 21:52:51,819 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:51,819 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:51,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:52:51,819 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:51,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:51,820 INFO L82 PathProgramCache]: Analyzing trace with hash -83361749, now seen corresponding path program 3 times [2020-08-18 21:52:51,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:51,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512213129] [2020-08-18 21:52:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 21:52:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-18 21:52:51,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512213129] [2020-08-18 21:52:51,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:52,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 21:52:52,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978212705] [2020-08-18 21:52:52,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:52:52,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:52,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:52:52,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:52:52,002 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-18 21:52:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:52,265 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2020-08-18 21:52:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 21:52:52,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-18 21:52:52,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:52,278 INFO L225 Difference]: With dead ends: 95 [2020-08-18 21:52:52,278 INFO L226 Difference]: Without dead ends: 64 [2020-08-18 21:52:52,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-08-18 21:52:52,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-08-18 21:52:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2020-08-18 21:52:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-08-18 21:52:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-08-18 21:52:52,289 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 76 [2020-08-18 21:52:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:52,290 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-08-18 21:52:52,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:52:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-08-18 21:52:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 21:52:52,292 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:52,293 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:52,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:52:52,293 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:52,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:52,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1033208535, now seen corresponding path program 4 times [2020-08-18 21:52:52,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:52,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648844782] [2020-08-18 21:52:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 21:52:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 21:52:52,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648844782] [2020-08-18 21:52:52,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:52,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 21:52:52,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502547204] [2020-08-18 21:52:52,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:52:52,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:52,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:52:52,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:52:52,464 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 12 states. [2020-08-18 21:52:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:52,756 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2020-08-18 21:52:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 21:52:52,756 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-18 21:52:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:52,758 INFO L225 Difference]: With dead ends: 71 [2020-08-18 21:52:52,758 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 21:52:52,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-08-18 21:52:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 21:52:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-08-18 21:52:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-18 21:52:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2020-08-18 21:52:52,780 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 62 [2020-08-18 21:52:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:52,781 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-08-18 21:52:52,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:52:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2020-08-18 21:52:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-18 21:52:52,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:52,783 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:52,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 21:52:52,783 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:52,783 INFO L82 PathProgramCache]: Analyzing trace with hash 622260971, now seen corresponding path program 5 times [2020-08-18 21:52:52,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:52,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640123219] [2020-08-18 21:52:52,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 21:52:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-18 21:52:52,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640123219] [2020-08-18 21:52:52,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:52,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 21:52:52,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675007206] [2020-08-18 21:52:52,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:52:52,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:52,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:52:52,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:52:52,958 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand 9 states. [2020-08-18 21:52:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:53,266 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-08-18 21:52:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 21:52:53,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-18 21:52:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:53,267 INFO L225 Difference]: With dead ends: 96 [2020-08-18 21:52:53,268 INFO L226 Difference]: Without dead ends: 56 [2020-08-18 21:52:53,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-08-18 21:52:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-18 21:52:53,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-08-18 21:52:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 21:52:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-08-18 21:52:53,292 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 76 [2020-08-18 21:52:53,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:53,293 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-08-18 21:52:53,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:52:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-08-18 21:52:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-08-18 21:52:53,296 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:53,297 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:53,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 21:52:53,297 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:53,297 INFO L82 PathProgramCache]: Analyzing trace with hash -633873909, now seen corresponding path program 6 times [2020-08-18 21:52:53,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:53,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709493926] [2020-08-18 21:52:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 21:52:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-08-18 21:52:53,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709493926] [2020-08-18 21:52:53,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:53,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 21:52:53,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724851051] [2020-08-18 21:52:53,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:52:53,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:53,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:52:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:52:53,604 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 12 states. [2020-08-18 21:52:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:53,930 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-08-18 21:52:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 21:52:53,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-08-18 21:52:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:53,932 INFO L225 Difference]: With dead ends: 58 [2020-08-18 21:52:53,932 INFO L226 Difference]: Without dead ends: 54 [2020-08-18 21:52:53,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-08-18 21:52:53,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-08-18 21:52:53,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-08-18 21:52:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-18 21:52:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2020-08-18 21:52:53,945 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 96 [2020-08-18 21:52:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:53,946 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2020-08-18 21:52:53,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:52:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-08-18 21:52:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-18 21:52:53,947 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:53,947 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:53,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 21:52:53,948 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash 542454743, now seen corresponding path program 7 times [2020-08-18 21:52:53,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:53,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9804975] [2020-08-18 21:52:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 21:52:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-08-18 21:52:54,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9804975] [2020-08-18 21:52:54,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:54,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-18 21:52:54,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297590681] [2020-08-18 21:52:54,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-18 21:52:54,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:54,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-18 21:52:54,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-08-18 21:52:54,497 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand 17 states. [2020-08-18 21:52:55,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:55,058 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2020-08-18 21:52:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-18 21:52:55,059 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2020-08-18 21:52:55,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:55,061 INFO L225 Difference]: With dead ends: 80 [2020-08-18 21:52:55,061 INFO L226 Difference]: Without dead ends: 76 [2020-08-18 21:52:55,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2020-08-18 21:52:55,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-18 21:52:55,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-08-18 21:52:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-18 21:52:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2020-08-18 21:52:55,073 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 102 [2020-08-18 21:52:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:55,074 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2020-08-18 21:52:55,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-18 21:52:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-08-18 21:52:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 21:52:55,076 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:55,076 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:55,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 21:52:55,076 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:55,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:55,077 INFO L82 PathProgramCache]: Analyzing trace with hash 589762519, now seen corresponding path program 8 times [2020-08-18 21:52:55,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:55,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316705791] [2020-08-18 21:52:55,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 21:52:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 167 proven. 314 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-18 21:52:55,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316705791] [2020-08-18 21:52:55,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:55,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 21:52:55,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649924815] [2020-08-18 21:52:55,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 21:52:55,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:55,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 21:52:55,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:52:55,402 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand 11 states. [2020-08-18 21:52:55,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:55,831 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2020-08-18 21:52:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 21:52:55,832 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-18 21:52:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:55,833 INFO L225 Difference]: With dead ends: 125 [2020-08-18 21:52:55,833 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 21:52:55,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-08-18 21:52:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 21:52:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2020-08-18 21:52:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 21:52:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2020-08-18 21:52:55,846 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 142 [2020-08-18 21:52:55,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:55,847 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2020-08-18 21:52:55,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 21:52:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2020-08-18 21:52:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-18 21:52:55,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:55,848 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:55,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 21:52:55,849 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:55,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:55,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1145252683, now seen corresponding path program 9 times [2020-08-18 21:52:55,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:55,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984845398] [2020-08-18 21:52:55,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 21:52:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-08-18 21:52:56,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984845398] [2020-08-18 21:52:56,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:56,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 21:52:56,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624070390] [2020-08-18 21:52:56,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 21:52:56,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:56,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 21:52:56,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-18 21:52:56,109 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 14 states. [2020-08-18 21:52:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:56,468 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2020-08-18 21:52:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 21:52:56,469 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-08-18 21:52:56,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:56,470 INFO L225 Difference]: With dead ends: 86 [2020-08-18 21:52:56,470 INFO L226 Difference]: Without dead ends: 67 [2020-08-18 21:52:56,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-08-18 21:52:56,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-18 21:52:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-08-18 21:52:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-18 21:52:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-08-18 21:52:56,487 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 108 [2020-08-18 21:52:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:56,489 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-08-18 21:52:56,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 21:52:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-08-18 21:52:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 21:52:56,494 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:56,494 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:56,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 21:52:56,495 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:56,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:56,496 INFO L82 PathProgramCache]: Analyzing trace with hash -370212393, now seen corresponding path program 10 times [2020-08-18 21:52:56,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:56,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164907999] [2020-08-18 21:52:56,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:52:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:56,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 21:52:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 227 proven. 254 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-18 21:52:57,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164907999] [2020-08-18 21:52:57,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:57,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 21:52:57,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258009009] [2020-08-18 21:52:57,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 21:52:57,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 21:52:57,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:52:57,052 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 11 states. [2020-08-18 21:52:57,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:57,512 INFO L93 Difference]: Finished difference Result 123 states and 185 transitions. [2020-08-18 21:52:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 21:52:57,513 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-18 21:52:57,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:57,514 INFO L225 Difference]: With dead ends: 123 [2020-08-18 21:52:57,514 INFO L226 Difference]: Without dead ends: 71 [2020-08-18 21:52:57,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2020-08-18 21:52:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-08-18 21:52:57,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2020-08-18 21:52:57,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-18 21:52:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2020-08-18 21:52:57,528 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 142 [2020-08-18 21:52:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:57,530 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2020-08-18 21:52:57,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 21:52:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-08-18 21:52:57,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-18 21:52:57,533 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:57,533 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:57,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 21:52:57,533 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2107974185, now seen corresponding path program 11 times [2020-08-18 21:52:57,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:57,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540434144] [2020-08-18 21:52:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:52:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:57,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 21:52:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2020-08-18 21:52:58,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540434144] [2020-08-18 21:52:58,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:58,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 21:52:58,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940421728] [2020-08-18 21:52:58,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 21:52:58,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:58,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 21:52:58,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-18 21:52:58,096 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand 14 states. [2020-08-18 21:52:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:52:58,521 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2020-08-18 21:52:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 21:52:58,522 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 182 [2020-08-18 21:52:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:52:58,523 INFO L225 Difference]: With dead ends: 70 [2020-08-18 21:52:58,524 INFO L226 Difference]: Without dead ends: 66 [2020-08-18 21:52:58,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2020-08-18 21:52:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-18 21:52:58,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-08-18 21:52:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-18 21:52:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2020-08-18 21:52:58,533 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 182 [2020-08-18 21:52:58,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:52:58,534 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2020-08-18 21:52:58,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 21:52:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-08-18 21:52:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-18 21:52:58,537 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:52:58,537 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:52:58,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 21:52:58,537 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:52:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:52:58,538 INFO L82 PathProgramCache]: Analyzing trace with hash 836851019, now seen corresponding path program 12 times [2020-08-18 21:52:58,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:52:58,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021125139] [2020-08-18 21:52:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:52:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:52:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:52:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:52:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:52:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:52:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 21:52:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:52:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:52:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2020-08-18 21:52:59,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021125139] [2020-08-18 21:52:59,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:52:59,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-18 21:52:59,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617257606] [2020-08-18 21:52:59,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-18 21:52:59,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:52:59,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-18 21:52:59,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2020-08-18 21:52:59,512 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand 21 states. [2020-08-18 21:53:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:00,373 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2020-08-18 21:53:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-18 21:53:00,374 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 188 [2020-08-18 21:53:00,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:00,376 INFO L225 Difference]: With dead ends: 95 [2020-08-18 21:53:00,376 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 21:53:00,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2020-08-18 21:53:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 21:53:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-08-18 21:53:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 21:53:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-08-18 21:53:00,387 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 188 [2020-08-18 21:53:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:00,388 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-08-18 21:53:00,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-18 21:53:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-08-18 21:53:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-18 21:53:00,392 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:00,392 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 24, 23, 23, 23, 23, 23, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:00,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 21:53:00,392 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:00,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:00,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1987597643, now seen corresponding path program 13 times [2020-08-18 21:53:00,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:00,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903820121] [2020-08-18 21:53:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-08-18 21:53:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 455 proven. 975 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2020-08-18 21:53:01,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903820121] [2020-08-18 21:53:01,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:01,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-18 21:53:01,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328822486] [2020-08-18 21:53:01,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 21:53:01,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:01,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 21:53:01,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-18 21:53:01,130 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 13 states. [2020-08-18 21:53:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:01,739 INFO L93 Difference]: Finished difference Result 155 states and 241 transitions. [2020-08-18 21:53:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 21:53:01,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-08-18 21:53:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:01,741 INFO L225 Difference]: With dead ends: 155 [2020-08-18 21:53:01,741 INFO L226 Difference]: Without dead ends: 100 [2020-08-18 21:53:01,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 21:53:01,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-18 21:53:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2020-08-18 21:53:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 21:53:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2020-08-18 21:53:01,752 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 268 [2020-08-18 21:53:01,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:01,753 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2020-08-18 21:53:01,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 21:53:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-08-18 21:53:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-18 21:53:01,756 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:01,756 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:01,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 21:53:01,756 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1322769943, now seen corresponding path program 14 times [2020-08-18 21:53:01,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:01,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309823887] [2020-08-18 21:53:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 21:53:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2020-08-18 21:53:02,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309823887] [2020-08-18 21:53:02,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:02,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 21:53:02,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926058324] [2020-08-18 21:53:02,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 21:53:02,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:02,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 21:53:02,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-18 21:53:02,319 INFO L87 Difference]: Start difference. First operand 87 states and 115 transitions. Second operand 16 states. [2020-08-18 21:53:03,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:03,206 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-08-18 21:53:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 21:53:03,207 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2020-08-18 21:53:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:03,209 INFO L225 Difference]: With dead ends: 135 [2020-08-18 21:53:03,209 INFO L226 Difference]: Without dead ends: 88 [2020-08-18 21:53:03,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=1231, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 21:53:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-18 21:53:03,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-08-18 21:53:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 21:53:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-18 21:53:03,219 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 194 [2020-08-18 21:53:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:03,220 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-18 21:53:03,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 21:53:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-18 21:53:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-08-18 21:53:03,225 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:03,225 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:03,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 21:53:03,226 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:03,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:03,226 INFO L82 PathProgramCache]: Analyzing trace with hash -547968693, now seen corresponding path program 15 times [2020-08-18 21:53:03,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:03,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643482093] [2020-08-18 21:53:03,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 21:53:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2020-08-18 21:53:04,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643482093] [2020-08-18 21:53:04,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:04,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 21:53:04,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850336396] [2020-08-18 21:53:04,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 21:53:04,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:04,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 21:53:04,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-08-18 21:53:04,412 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 16 states. [2020-08-18 21:53:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:05,125 INFO L93 Difference]: Finished difference Result 151 states and 234 transitions. [2020-08-18 21:53:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-18 21:53:05,125 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 348 [2020-08-18 21:53:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:05,127 INFO L225 Difference]: With dead ends: 151 [2020-08-18 21:53:05,127 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 21:53:05,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 21:53:05,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 21:53:05,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-08-18 21:53:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-18 21:53:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2020-08-18 21:53:05,141 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 348 [2020-08-18 21:53:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:05,142 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2020-08-18 21:53:05,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 21:53:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-08-18 21:53:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-18 21:53:05,144 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:05,145 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:05,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 21:53:05,145 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:05,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:05,146 INFO L82 PathProgramCache]: Analyzing trace with hash -604098025, now seen corresponding path program 16 times [2020-08-18 21:53:05,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:05,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397328444] [2020-08-18 21:53:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:05,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:05,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 21:53:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:06,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:07,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:07,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2020-08-18 21:53:07,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397328444] [2020-08-18 21:53:07,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:07,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-18 21:53:07,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552120139] [2020-08-18 21:53:07,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-18 21:53:07,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:07,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-18 21:53:07,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-08-18 21:53:07,343 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 25 states. [2020-08-18 21:53:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:08,515 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2020-08-18 21:53:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-18 21:53:08,516 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 354 [2020-08-18 21:53:08,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:08,519 INFO L225 Difference]: With dead ends: 110 [2020-08-18 21:53:08,519 INFO L226 Difference]: Without dead ends: 106 [2020-08-18 21:53:08,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=1987, Unknown=0, NotChecked=0, Total=2162 [2020-08-18 21:53:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-18 21:53:08,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2020-08-18 21:53:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 21:53:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-08-18 21:53:08,530 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 354 [2020-08-18 21:53:08,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:08,531 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-08-18 21:53:08,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-18 21:53:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-08-18 21:53:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-18 21:53:08,534 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:08,535 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:08,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 21:53:08,535 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:08,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:08,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1040265751, now seen corresponding path program 17 times [2020-08-18 21:53:08,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:08,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481962417] [2020-08-18 21:53:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:08,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:08,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-18 21:53:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:09,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1138 proven. 2665 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-18 21:53:10,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481962417] [2020-08-18 21:53:10,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:10,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 21:53:10,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899261437] [2020-08-18 21:53:10,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 21:53:10,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:10,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 21:53:10,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:53:10,128 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 15 states. [2020-08-18 21:53:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:10,885 INFO L93 Difference]: Finished difference Result 185 states and 297 transitions. [2020-08-18 21:53:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-18 21:53:10,889 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-18 21:53:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:10,892 INFO L225 Difference]: With dead ends: 185 [2020-08-18 21:53:10,893 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 21:53:10,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1513, Unknown=0, NotChecked=0, Total=1892 [2020-08-18 21:53:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 21:53:10,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-08-18 21:53:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 21:53:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 138 transitions. [2020-08-18 21:53:10,916 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 138 transitions. Word has length 514 [2020-08-18 21:53:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:10,916 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 138 transitions. [2020-08-18 21:53:10,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 21:53:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2020-08-18 21:53:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-08-18 21:53:10,919 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:10,919 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:10,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 21:53:10,920 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 800684683, now seen corresponding path program 18 times [2020-08-18 21:53:10,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:10,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568673150] [2020-08-18 21:53:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 21:53:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2020-08-18 21:53:11,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568673150] [2020-08-18 21:53:11,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:11,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 21:53:11,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309151134] [2020-08-18 21:53:11,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 21:53:11,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:11,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 21:53:11,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:53:11,986 INFO L87 Difference]: Start difference. First operand 102 states and 138 transitions. Second operand 18 states. [2020-08-18 21:53:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:12,634 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2020-08-18 21:53:12,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 21:53:12,637 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-08-18 21:53:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:12,639 INFO L225 Difference]: With dead ends: 116 [2020-08-18 21:53:12,639 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 21:53:12,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=282, Invalid=1278, Unknown=0, NotChecked=0, Total=1560 [2020-08-18 21:53:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 21:53:12,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-08-18 21:53:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 21:53:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-08-18 21:53:12,651 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 360 [2020-08-18 21:53:12,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:12,652 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-08-18 21:53:12,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 21:53:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-08-18 21:53:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-18 21:53:12,655 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:12,656 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:12,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 21:53:12,656 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:12,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:12,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1908418025, now seen corresponding path program 19 times [2020-08-18 21:53:12,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:12,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98856061] [2020-08-18 21:53:12,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-18 21:53:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1630 proven. 2173 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-18 21:53:14,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98856061] [2020-08-18 21:53:14,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:14,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 21:53:14,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566916313] [2020-08-18 21:53:14,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 21:53:14,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:14,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 21:53:14,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:53:14,647 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 15 states. [2020-08-18 21:53:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:15,356 INFO L93 Difference]: Finished difference Result 177 states and 281 transitions. [2020-08-18 21:53:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-18 21:53:15,359 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-18 21:53:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:15,361 INFO L225 Difference]: With dead ends: 177 [2020-08-18 21:53:15,362 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 21:53:15,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2020-08-18 21:53:15,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 21:53:15,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2020-08-18 21:53:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 21:53:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-18 21:53:15,374 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 514 [2020-08-18 21:53:15,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:15,375 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-18 21:53:15,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 21:53:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-18 21:53:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-18 21:53:15,380 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:15,380 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:15,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 21:53:15,381 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:15,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:15,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2099436055, now seen corresponding path program 20 times [2020-08-18 21:53:15,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:15,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113960977] [2020-08-18 21:53:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:16,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 21:53:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2020-08-18 21:53:17,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113960977] [2020-08-18 21:53:17,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:17,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 21:53:17,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507277005] [2020-08-18 21:53:17,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 21:53:17,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:17,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 21:53:17,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:53:17,740 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 18 states. [2020-08-18 21:53:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:18,524 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2020-08-18 21:53:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-18 21:53:18,525 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 674 [2020-08-18 21:53:18,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:18,530 INFO L225 Difference]: With dead ends: 94 [2020-08-18 21:53:18,530 INFO L226 Difference]: Without dead ends: 90 [2020-08-18 21:53:18,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1426, Unknown=0, NotChecked=0, Total=1722 [2020-08-18 21:53:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-08-18 21:53:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2020-08-18 21:53:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 21:53:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-08-18 21:53:18,540 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 674 [2020-08-18 21:53:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:18,541 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-08-18 21:53:18,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 21:53:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-08-18 21:53:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-08-18 21:53:18,547 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:18,548 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:18,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 21:53:18,549 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:18,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2092966539, now seen corresponding path program 21 times [2020-08-18 21:53:18,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:18,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869234709] [2020-08-18 21:53:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:19,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:19,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:19,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:19,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 21:53:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:22,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2020-08-18 21:53:23,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869234709] [2020-08-18 21:53:23,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:23,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-18 21:53:23,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863522190] [2020-08-18 21:53:23,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-18 21:53:23,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:23,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-18 21:53:23,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812 [2020-08-18 21:53:23,112 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 29 states. [2020-08-18 21:53:24,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:24,664 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2020-08-18 21:53:24,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-18 21:53:24,665 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 680 [2020-08-18 21:53:24,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:24,668 INFO L225 Difference]: With dead ends: 125 [2020-08-18 21:53:24,668 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 21:53:24,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=2763, Unknown=0, NotChecked=0, Total=2970 [2020-08-18 21:53:24,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 21:53:24,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-08-18 21:53:24,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 21:53:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2020-08-18 21:53:24,681 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 680 [2020-08-18 21:53:24,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:24,682 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2020-08-18 21:53:24,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-18 21:53:24,682 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2020-08-18 21:53:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-18 21:53:24,692 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:24,693 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:24,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 21:53:24,694 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:24,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1334715019, now seen corresponding path program 22 times [2020-08-18 21:53:24,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:24,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961640258] [2020-08-18 21:53:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:26,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-18 21:53:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 2688 proven. 6748 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-18 21:53:28,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961640258] [2020-08-18 21:53:28,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:28,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-18 21:53:28,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346586104] [2020-08-18 21:53:28,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-18 21:53:28,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:28,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-18 21:53:28,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-18 21:53:28,559 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand 17 states. [2020-08-18 21:53:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:29,498 INFO L93 Difference]: Finished difference Result 215 states and 356 transitions. [2020-08-18 21:53:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-18 21:53:29,499 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-18 21:53:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:29,502 INFO L225 Difference]: With dead ends: 215 [2020-08-18 21:53:29,502 INFO L226 Difference]: Without dead ends: 136 [2020-08-18 21:53:29,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-08-18 21:53:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-18 21:53:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2020-08-18 21:53:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-18 21:53:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 162 transitions. [2020-08-18 21:53:29,517 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 162 transitions. Word has length 1000 [2020-08-18 21:53:29,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:29,518 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 162 transitions. [2020-08-18 21:53:29,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-18 21:53:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2020-08-18 21:53:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-18 21:53:29,525 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:29,526 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:29,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 21:53:29,526 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:29,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:29,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1024924247, now seen corresponding path program 23 times [2020-08-18 21:53:29,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:29,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304678963] [2020-08-18 21:53:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 21:53:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 36024 backedges. 525 proven. 2793 refuted. 0 times theorem prover too weak. 32706 trivial. 0 not checked. [2020-08-18 21:53:31,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304678963] [2020-08-18 21:53:31,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:53:31,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 21:53:31,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211199792] [2020-08-18 21:53:31,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 21:53:31,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:53:31,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 21:53:31,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-18 21:53:31,983 INFO L87 Difference]: Start difference. First operand 117 states and 162 transitions. Second operand 20 states. [2020-08-18 21:53:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:53:32,777 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2020-08-18 21:53:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-18 21:53:32,778 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 686 [2020-08-18 21:53:32,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:53:32,781 INFO L225 Difference]: With dead ends: 131 [2020-08-18 21:53:32,781 INFO L226 Difference]: Without dead ends: 103 [2020-08-18 21:53:32,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2020-08-18 21:53:32,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-18 21:53:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-08-18 21:53:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 21:53:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2020-08-18 21:53:32,795 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 686 [2020-08-18 21:53:32,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:53:32,796 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2020-08-18 21:53:32,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 21:53:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2020-08-18 21:53:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2020-08-18 21:53:32,817 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:53:32,818 INFO L422 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:53:32,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-18 21:53:32,819 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:53:32,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:53:32,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1504539275, now seen corresponding path program 24 times [2020-08-18 21:53:32,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:53:32,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003386365] [2020-08-18 21:53:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:53:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:35,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:53:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:35,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-08-18 21:53:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 21:53:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 21:53:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:53:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 21:53:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 21:53:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2020-08-18 21:53:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:53:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:53:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat