/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:18:11,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:18:11,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:18:11,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:18:11,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:18:11,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:18:11,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:18:11,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:18:11,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:18:11,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:18:11,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:18:11,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:18:11,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:18:11,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:18:11,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:18:11,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:18:11,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:18:11,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:18:11,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:18:11,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:18:11,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:18:11,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:18:11,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:18:11,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:18:11,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:18:11,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:18:11,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:18:11,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:18:11,410 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 [2020-09-21 10:18:11,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:18:11,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:18:11,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:18:11,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:18:11,436 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:18:11,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:18:11,436 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:18:11,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:18:11,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:18:11,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:18:11,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:18:11,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:18:11,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:18:11,438 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:18:11,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:18:11,438 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:18:11,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:18:11,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:18:11,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:18:11,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:18:11,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:18:11,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:18:11,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:18:11,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:18:11,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:18:11,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:18:11,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:18:11,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:18:11,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:18:11,441 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 -> false [2020-09-21 10:18:11,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:18:11,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:18:11,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:18:11,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:18:11,952 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:18:11,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-09-21 10:18:12,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c766fe403/8d6911044f154d7780fa2e6f4b27f4fa/FLAG2af652c93 [2020-09-21 10:18:12,576 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:18:12,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-09-21 10:18:12,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c766fe403/8d6911044f154d7780fa2e6f4b27f4fa/FLAG2af652c93 [2020-09-21 10:18:12,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c766fe403/8d6911044f154d7780fa2e6f4b27f4fa [2020-09-21 10:18:12,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:18:12,944 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:18:12,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:18:12,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:18:12,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:18:12,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:18:12" (1/1) ... [2020-09-21 10:18:12,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f88baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:12, skipping insertion in model container [2020-09-21 10:18:12,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:18:12" (1/1) ... [2020-09-21 10:18:12,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:18:12,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:18:13,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:18:13,322 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:18:13,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:18:13,365 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:18:13,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13 WrapperNode [2020-09-21 10:18:13,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:18:13,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:18:13,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:18:13,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:18:13,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (1/1) ... [2020-09-21 10:18:13,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:18:13,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:18:13,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:18:13,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:18:13,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (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 [2020-09-21 10:18:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:18:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:18:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-21 10:18:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-21 10:18:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:18:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:18:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:18:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-21 10:18:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-21 10:18:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:18:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:18:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:18:13,785 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:18:13,786 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:18:13,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:18:13 BoogieIcfgContainer [2020-09-21 10:18:13,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:18:13,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:18:13,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:18:13,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:18:13,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:18:12" (1/3) ... [2020-09-21 10:18:13,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c96f36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:18:13, skipping insertion in model container [2020-09-21 10:18:13,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:18:13" (2/3) ... [2020-09-21 10:18:13,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c96f36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:18:13, skipping insertion in model container [2020-09-21 10:18:13,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:18:13" (3/3) ... [2020-09-21 10:18:13,801 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-09-21 10:18:13,816 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:18:13,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:18:13,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:18:13,941 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:18:13,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:18:13,941 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:18:13,942 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:18:13,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:18:13,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:18:13,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:18:13,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:18:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 10:18:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 10:18:13,971 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:13,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:13,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:13,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-09-21 10:18:13,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:13,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932208191] [2020-09-21 10:18:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:18:14,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932208191] [2020-09-21 10:18:14,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:18:14,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:18:14,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722996291] [2020-09-21 10:18:14,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:18:14,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:14,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:18:14,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:18:14,290 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-09-21 10:18:14,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:14,419 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-09-21 10:18:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:18:14,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 10:18:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:14,433 INFO L225 Difference]: With dead ends: 44 [2020-09-21 10:18:14,434 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 10:18:14,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 10:18:14,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 10:18:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 10:18:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 10:18:14,493 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-09-21 10:18:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:14,493 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 10:18:14,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:18:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 10:18:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 10:18:14,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:14,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:14,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:18:14,497 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:14,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:14,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-09-21 10:18:14,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:14,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354402084] [2020-09-21 10:18:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:18:14,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354402084] [2020-09-21 10:18:14,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:18:14,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:18:14,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633417832] [2020-09-21 10:18:14,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:18:14,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:14,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:18:14,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:18:14,571 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-09-21 10:18:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:14,638 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-09-21 10:18:14,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:18:14,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 10:18:14,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:14,640 INFO L225 Difference]: With dead ends: 36 [2020-09-21 10:18:14,641 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 10:18:14,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:14,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 10:18:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-09-21 10:18:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 10:18:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 10:18:14,653 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-09-21 10:18:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:14,653 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 10:18:14,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:18:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 10:18:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 10:18:14,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:14,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:14,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:18:14,656 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:14,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-09-21 10:18:14,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:14,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423454122] [2020-09-21 10:18:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:18:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:18:14,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423454122] [2020-09-21 10:18:14,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:14,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:18:14,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473357316] [2020-09-21 10:18:14,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:18:14,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:14,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:18:14,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:14,835 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-09-21 10:18:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:14,923 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-09-21 10:18:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:18:14,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-21 10:18:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:14,926 INFO L225 Difference]: With dead ends: 58 [2020-09-21 10:18:14,926 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 10:18:14,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 10:18:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-09-21 10:18:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 10:18:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-09-21 10:18:14,938 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-09-21 10:18:14,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:14,939 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-09-21 10:18:14,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:18:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-09-21 10:18:14,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 10:18:14,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:14,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:14,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:18:14,942 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:14,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:14,943 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-09-21 10:18:14,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:14,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222167051] [2020-09-21 10:18:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:18:15,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222167051] [2020-09-21 10:18:15,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:15,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:18:15,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354739835] [2020-09-21 10:18:15,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:18:15,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:15,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:18:15,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:15,120 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-09-21 10:18:15,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:15,323 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-09-21 10:18:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:18:15,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 10:18:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:15,328 INFO L225 Difference]: With dead ends: 54 [2020-09-21 10:18:15,328 INFO L226 Difference]: Without dead ends: 50 [2020-09-21 10:18:15,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:18:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-21 10:18:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-09-21 10:18:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 10:18:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-09-21 10:18:15,344 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-09-21 10:18:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:15,344 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-09-21 10:18:15,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:18:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-09-21 10:18:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-21 10:18:15,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:15,347 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:15,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:18:15,347 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-09-21 10:18:15,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:15,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90709338] [2020-09-21 10:18:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:18:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:18:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 10:18:15,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90709338] [2020-09-21 10:18:15,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:15,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:18:15,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883588371] [2020-09-21 10:18:15,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:18:15,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:15,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:18:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:18:15,516 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-09-21 10:18:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:15,595 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-09-21 10:18:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 10:18:15,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-21 10:18:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:15,598 INFO L225 Difference]: With dead ends: 94 [2020-09-21 10:18:15,598 INFO L226 Difference]: Without dead ends: 52 [2020-09-21 10:18:15,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:18:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-09-21 10:18:15,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-09-21 10:18:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-09-21 10:18:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-09-21 10:18:15,613 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-09-21 10:18:15,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:15,613 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-09-21 10:18:15,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:18:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-09-21 10:18:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 10:18:15,616 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:15,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:15,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:18:15,617 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:15,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:15,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-09-21 10:18:15,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:15,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551282738] [2020-09-21 10:18:15,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 10:18:15,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551282738] [2020-09-21 10:18:15,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:15,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:15,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240021671] [2020-09-21 10:18:15,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:15,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:15,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:15,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:15,830 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-09-21 10:18:15,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:15,973 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-09-21 10:18:15,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:18:15,974 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-09-21 10:18:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:15,977 INFO L225 Difference]: With dead ends: 103 [2020-09-21 10:18:15,977 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 10:18:15,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 10:18:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-09-21 10:18:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 10:18:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-09-21 10:18:16,007 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-09-21 10:18:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:16,007 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-09-21 10:18:16,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-09-21 10:18:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 10:18:16,011 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:16,011 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:16,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:18:16,012 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:16,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:16,012 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-09-21 10:18:16,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:16,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628712129] [2020-09-21 10:18:16,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 10:18:16,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628712129] [2020-09-21 10:18:16,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:16,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:16,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291849415] [2020-09-21 10:18:16,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:16,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:16,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:16,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:16,159 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-09-21 10:18:16,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:16,363 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-09-21 10:18:16,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 10:18:16,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 10:18:16,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:16,366 INFO L225 Difference]: With dead ends: 86 [2020-09-21 10:18:16,366 INFO L226 Difference]: Without dead ends: 82 [2020-09-21 10:18:16,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:16,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-21 10:18:16,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-09-21 10:18:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-21 10:18:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-09-21 10:18:16,383 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-09-21 10:18:16,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:16,383 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-09-21 10:18:16,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-09-21 10:18:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 10:18:16,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:16,387 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:16,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 10:18:16,388 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:16,388 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-09-21 10:18:16,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:16,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877153292] [2020-09-21 10:18:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:18:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 10:18:16,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877153292] [2020-09-21 10:18:16,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:16,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:18:16,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729488175] [2020-09-21 10:18:16,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:18:16,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:16,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:18:16,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:18:16,537 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-09-21 10:18:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:16,661 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-09-21 10:18:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:18:16,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-21 10:18:16,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:16,664 INFO L225 Difference]: With dead ends: 167 [2020-09-21 10:18:16,664 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 10:18:16,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:16,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 10:18:16,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-09-21 10:18:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-21 10:18:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-09-21 10:18:16,682 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-09-21 10:18:16,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:16,683 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-09-21 10:18:16,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:18:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-09-21 10:18:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 10:18:16,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:16,686 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:16,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 10:18:16,687 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:16,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:16,687 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-09-21 10:18:16,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:16,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729031261] [2020-09-21 10:18:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 10:18:16,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729031261] [2020-09-21 10:18:16,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:16,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 10:18:16,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159155598] [2020-09-21 10:18:16,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:18:16,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:16,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:18:16,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:16,853 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-09-21 10:18:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:17,068 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-09-21 10:18:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 10:18:17,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-09-21 10:18:17,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:17,071 INFO L225 Difference]: With dead ends: 188 [2020-09-21 10:18:17,071 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 10:18:17,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:17,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 10:18:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-09-21 10:18:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 10:18:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-09-21 10:18:17,089 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-09-21 10:18:17,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:17,090 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-09-21 10:18:17,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:18:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-09-21 10:18:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 10:18:17,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:17,092 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:17,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 10:18:17,093 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:17,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-09-21 10:18:17,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:17,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972057729] [2020-09-21 10:18:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-09-21 10:18:17,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972057729] [2020-09-21 10:18:17,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:17,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 10:18:17,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039200654] [2020-09-21 10:18:17,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 10:18:17,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:17,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 10:18:17,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-21 10:18:17,454 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-09-21 10:18:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:17,882 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-09-21 10:18:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 10:18:17,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-09-21 10:18:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:17,887 INFO L225 Difference]: With dead ends: 199 [2020-09-21 10:18:17,887 INFO L226 Difference]: Without dead ends: 86 [2020-09-21 10:18:17,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-09-21 10:18:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-09-21 10:18:17,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-09-21 10:18:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-21 10:18:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-09-21 10:18:17,903 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-09-21 10:18:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:17,904 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-09-21 10:18:17,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 10:18:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-09-21 10:18:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-21 10:18:17,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:17,909 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:17,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 10:18:17,909 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:17,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-09-21 10:18:17,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:17,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016213695] [2020-09-21 10:18:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 10:18:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-09-21 10:18:18,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016213695] [2020-09-21 10:18:18,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:18,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 10:18:18,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215044396] [2020-09-21 10:18:18,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:18:18,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:18,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:18:18,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:18:18,246 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-09-21 10:18:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:18,451 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-09-21 10:18:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 10:18:18,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-09-21 10:18:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:18,453 INFO L225 Difference]: With dead ends: 142 [2020-09-21 10:18:18,453 INFO L226 Difference]: Without dead ends: 78 [2020-09-21 10:18:18,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-09-21 10:18:18,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-09-21 10:18:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-09-21 10:18:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-09-21 10:18:18,475 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-09-21 10:18:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:18,475 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-09-21 10:18:18,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:18:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-09-21 10:18:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-21 10:18:18,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:18,481 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:18,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 10:18:18,481 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:18,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:18,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-09-21 10:18:18,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:18,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940736995] [2020-09-21 10:18:18,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 10:18:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 10:18:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 10:18:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-09-21 10:18:19,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940736995] [2020-09-21 10:18:19,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:19,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 10:18:19,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857556013] [2020-09-21 10:18:19,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 10:18:19,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:19,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 10:18:19,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-21 10:18:19,248 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-09-21 10:18:19,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:19,878 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-09-21 10:18:19,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 10:18:19,879 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-09-21 10:18:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:19,881 INFO L225 Difference]: With dead ends: 184 [2020-09-21 10:18:19,881 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 10:18:19,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-09-21 10:18:19,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 10:18:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-09-21 10:18:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 10:18:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-09-21 10:18:19,893 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-09-21 10:18:19,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:19,893 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-09-21 10:18:19,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 10:18:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-09-21 10:18:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 10:18:19,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:19,896 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:19,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 10:18:19,896 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:19,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:19,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-09-21 10:18:19,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:19,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362551800] [2020-09-21 10:18:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 10:18:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-09-21 10:18:20,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362551800] [2020-09-21 10:18:20,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:20,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:20,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355637981] [2020-09-21 10:18:20,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:20,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:20,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:20,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:20,234 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-09-21 10:18:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:20,495 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-09-21 10:18:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 10:18:20,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-09-21 10:18:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:20,498 INFO L225 Difference]: With dead ends: 188 [2020-09-21 10:18:20,498 INFO L226 Difference]: Without dead ends: 101 [2020-09-21 10:18:20,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-21 10:18:20,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-09-21 10:18:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-09-21 10:18:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-09-21 10:18:20,509 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-09-21 10:18:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:20,509 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-09-21 10:18:20,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-09-21 10:18:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 10:18:20,513 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:20,513 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:20,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 10:18:20,513 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:20,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:20,514 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-09-21 10:18:20,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:20,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666349484] [2020-09-21 10:18:20,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 10:18:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:20,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-09-21 10:18:21,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666349484] [2020-09-21 10:18:21,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:21,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:21,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836381699] [2020-09-21 10:18:21,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:21,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:21,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:21,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:21,019 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-09-21 10:18:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:21,630 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-09-21 10:18:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 10:18:21,631 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-09-21 10:18:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:21,633 INFO L225 Difference]: With dead ends: 224 [2020-09-21 10:18:21,634 INFO L226 Difference]: Without dead ends: 131 [2020-09-21 10:18:21,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-09-21 10:18:21,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-21 10:18:21,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-09-21 10:18:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 10:18:21,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-09-21 10:18:21,644 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-09-21 10:18:21,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:21,645 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-09-21 10:18:21,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-09-21 10:18:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 10:18:21,647 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:21,648 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:21,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 10:18:21,648 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:21,649 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-09-21 10:18:21,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:21,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594187360] [2020-09-21 10:18:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-09-21 10:18:22,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594187360] [2020-09-21 10:18:22,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:22,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:22,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629871862] [2020-09-21 10:18:22,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:22,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:22,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:22,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:22,070 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-09-21 10:18:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:22,471 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-09-21 10:18:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 10:18:22,472 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-09-21 10:18:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:22,477 INFO L225 Difference]: With dead ends: 244 [2020-09-21 10:18:22,478 INFO L226 Difference]: Without dead ends: 240 [2020-09-21 10:18:22,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-21 10:18:22,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-09-21 10:18:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-21 10:18:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-09-21 10:18:22,501 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-09-21 10:18:22,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:22,502 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-09-21 10:18:22,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-09-21 10:18:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-09-21 10:18:22,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:22,516 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:22,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 10:18:22,516 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:22,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-09-21 10:18:22,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:22,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665314092] [2020-09-21 10:18:22,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 10:18:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-21 10:18:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 10:18:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-09-21 10:18:23,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665314092] [2020-09-21 10:18:23,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:23,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 10:18:23,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447809512] [2020-09-21 10:18:23,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:18:23,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:23,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:18:23,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:18:23,692 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-09-21 10:18:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:23,967 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-09-21 10:18:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 10:18:23,968 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-09-21 10:18:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:23,972 INFO L225 Difference]: With dead ends: 429 [2020-09-21 10:18:23,973 INFO L226 Difference]: Without dead ends: 225 [2020-09-21 10:18:23,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-21 10:18:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-21 10:18:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-09-21 10:18:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-21 10:18:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-09-21 10:18:24,001 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-09-21 10:18:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:24,002 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-09-21 10:18:24,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:18:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-09-21 10:18:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-21 10:18:24,008 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:24,009 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:24,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 10:18:24,009 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:24,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:24,011 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-09-21 10:18:24,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:24,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072560856] [2020-09-21 10:18:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 10:18:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-09-21 10:18:24,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072560856] [2020-09-21 10:18:24,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:24,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:24,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987663176] [2020-09-21 10:18:24,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:24,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:24,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:24,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:24,764 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-09-21 10:18:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:25,278 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-09-21 10:18:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 10:18:25,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-21 10:18:25,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:25,288 INFO L225 Difference]: With dead ends: 454 [2020-09-21 10:18:25,288 INFO L226 Difference]: Without dead ends: 246 [2020-09-21 10:18:25,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-21 10:18:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-21 10:18:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-09-21 10:18:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-21 10:18:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-09-21 10:18:25,319 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-09-21 10:18:25,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:25,320 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-09-21 10:18:25,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-09-21 10:18:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 10:18:25,326 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:25,326 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:25,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 10:18:25,326 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:25,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:25,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-09-21 10:18:25,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:25,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440941391] [2020-09-21 10:18:25,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-09-21 10:18:26,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440941391] [2020-09-21 10:18:26,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:26,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 10:18:26,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021373316] [2020-09-21 10:18:26,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 10:18:26,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:26,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 10:18:26,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-21 10:18:26,160 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-09-21 10:18:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:26,530 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-09-21 10:18:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 10:18:26,531 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-09-21 10:18:26,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:26,549 INFO L225 Difference]: With dead ends: 487 [2020-09-21 10:18:26,550 INFO L226 Difference]: Without dead ends: 483 [2020-09-21 10:18:26,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-09-21 10:18:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-21 10:18:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-09-21 10:18:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-09-21 10:18:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-09-21 10:18:26,595 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-09-21 10:18:26,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:26,596 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-09-21 10:18:26,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 10:18:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-09-21 10:18:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-09-21 10:18:26,605 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:26,606 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 10, 10, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:26,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 10:18:26,606 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 400039386, now seen corresponding path program 7 times [2020-09-21 10:18:26,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:26,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788896419] [2020-09-21 10:18:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 10:18:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-21 10:18:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 308 proven. 1032 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2020-09-21 10:18:28,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788896419] [2020-09-21 10:18:28,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:28,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:28,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693154137] [2020-09-21 10:18:28,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:28,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:28,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:28,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:28,124 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-09-21 10:18:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:28,668 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-09-21 10:18:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 10:18:28,669 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 436 [2020-09-21 10:18:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:28,677 INFO L225 Difference]: With dead ends: 978 [2020-09-21 10:18:28,677 INFO L226 Difference]: Without dead ends: 529 [2020-09-21 10:18:28,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-09-21 10:18:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-09-21 10:18:28,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-09-21 10:18:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-09-21 10:18:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-09-21 10:18:28,738 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 436 [2020-09-21 10:18:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:28,739 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-09-21 10:18:28,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-09-21 10:18:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2020-09-21 10:18:28,761 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:28,761 INFO L422 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 40, 40, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 16, 15, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:28,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 10:18:28,762 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:28,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:28,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1006295584, now seen corresponding path program 8 times [2020-09-21 10:18:28,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:28,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616549312] [2020-09-21 10:18:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:30,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13468 backedges. 1109 proven. 2410 refuted. 0 times theorem prover too weak. 9949 trivial. 0 not checked. [2020-09-21 10:18:31,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616549312] [2020-09-21 10:18:31,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:31,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 10:18:31,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171476837] [2020-09-21 10:18:31,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 10:18:31,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:31,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 10:18:31,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:18:31,508 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 20 states. [2020-09-21 10:18:33,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:33,024 INFO L93 Difference]: Finished difference Result 798 states and 1330 transitions. [2020-09-21 10:18:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-21 10:18:33,026 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 681 [2020-09-21 10:18:33,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:33,031 INFO L225 Difference]: With dead ends: 798 [2020-09-21 10:18:33,031 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 10:18:33,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-09-21 10:18:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 10:18:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 177. [2020-09-21 10:18:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-21 10:18:33,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 252 transitions. [2020-09-21 10:18:33,057 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 252 transitions. Word has length 681 [2020-09-21 10:18:33,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:33,058 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 252 transitions. [2020-09-21 10:18:33,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-21 10:18:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 252 transitions. [2020-09-21 10:18:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2020-09-21 10:18:33,066 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:33,067 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 51, 50, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 20, 19, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:33,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-21 10:18:33,067 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:33,068 INFO L82 PathProgramCache]: Analyzing trace with hash -178678869, now seen corresponding path program 9 times [2020-09-21 10:18:33,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:33,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084236342] [2020-09-21 10:18:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:33,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:33,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:34,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-09-21 10:18:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:35,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 21596 backedges. 1127 proven. 3365 refuted. 0 times theorem prover too weak. 17104 trivial. 0 not checked. [2020-09-21 10:18:36,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084236342] [2020-09-21 10:18:36,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:36,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 10:18:36,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125151416] [2020-09-21 10:18:36,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 10:18:36,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:36,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 10:18:36,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:18:36,199 INFO L87 Difference]: Start difference. First operand 177 states and 252 transitions. Second operand 20 states. [2020-09-21 10:18:37,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:37,782 INFO L93 Difference]: Finished difference Result 421 states and 709 transitions. [2020-09-21 10:18:37,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-21 10:18:37,783 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 858 [2020-09-21 10:18:37,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:37,790 INFO L225 Difference]: With dead ends: 421 [2020-09-21 10:18:37,790 INFO L226 Difference]: Without dead ends: 249 [2020-09-21 10:18:37,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-09-21 10:18:37,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-21 10:18:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 216. [2020-09-21 10:18:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-21 10:18:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 314 transitions. [2020-09-21 10:18:37,819 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 314 transitions. Word has length 858 [2020-09-21 10:18:37,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:37,822 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 314 transitions. [2020-09-21 10:18:37,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-21 10:18:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 314 transitions. [2020-09-21 10:18:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-09-21 10:18:37,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:37,836 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:37,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-21 10:18:37,837 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:37,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:37,838 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 10 times [2020-09-21 10:18:37,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:37,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216444483] [2020-09-21 10:18:37,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:38,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-09-21 10:18:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:39,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-09-21 10:18:41,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216444483] [2020-09-21 10:18:41,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:41,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 10:18:41,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30558232] [2020-09-21 10:18:41,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 10:18:41,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:41,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 10:18:41,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-21 10:18:41,255 INFO L87 Difference]: Start difference. First operand 216 states and 314 transitions. Second operand 18 states. [2020-09-21 10:18:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:42,310 INFO L93 Difference]: Finished difference Result 433 states and 648 transitions. [2020-09-21 10:18:42,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-21 10:18:42,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-09-21 10:18:42,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:42,316 INFO L225 Difference]: With dead ends: 433 [2020-09-21 10:18:42,316 INFO L226 Difference]: Without dead ends: 235 [2020-09-21 10:18:42,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-21 10:18:42,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-09-21 10:18:42,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 194. [2020-09-21 10:18:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-21 10:18:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 267 transitions. [2020-09-21 10:18:42,333 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 267 transitions. Word has length 790 [2020-09-21 10:18:42,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:42,333 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 267 transitions. [2020-09-21 10:18:42,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 10:18:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2020-09-21 10:18:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-09-21 10:18:42,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:42,339 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 38, 37, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 15, 14, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:42,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-21 10:18:42,340 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:42,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:42,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1983594753, now seen corresponding path program 11 times [2020-09-21 10:18:42,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:42,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573030790] [2020-09-21 10:18:42,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:42,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:43,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:18:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11857 backedges. 1376 proven. 1699 refuted. 0 times theorem prover too weak. 8782 trivial. 0 not checked. [2020-09-21 10:18:44,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573030790] [2020-09-21 10:18:44,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:44,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 10:18:44,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208949523] [2020-09-21 10:18:44,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 10:18:44,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:44,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 10:18:44,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:18:44,567 INFO L87 Difference]: Start difference. First operand 194 states and 267 transitions. Second operand 20 states. [2020-09-21 10:18:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:45,857 INFO L93 Difference]: Finished difference Result 415 states and 617 transitions. [2020-09-21 10:18:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-21 10:18:45,862 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 640 [2020-09-21 10:18:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:45,867 INFO L225 Difference]: With dead ends: 415 [2020-09-21 10:18:45,867 INFO L226 Difference]: Without dead ends: 239 [2020-09-21 10:18:45,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 10:18:45,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-09-21 10:18:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 198. [2020-09-21 10:18:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-09-21 10:18:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 273 transitions. [2020-09-21 10:18:45,884 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 273 transitions. Word has length 640 [2020-09-21 10:18:45,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:45,884 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 273 transitions. [2020-09-21 10:18:45,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-21 10:18:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 273 transitions. [2020-09-21 10:18:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-09-21 10:18:45,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:45,891 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:45,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-21 10:18:45,892 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:45,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:45,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 12 times [2020-09-21 10:18:45,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:45,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366772532] [2020-09-21 10:18:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:18:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:47,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-09-21 10:18:48,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366772532] [2020-09-21 10:18:48,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:48,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:18:48,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931950313] [2020-09-21 10:18:48,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:18:48,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:18:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:18:48,108 INFO L87 Difference]: Start difference. First operand 198 states and 273 transitions. Second operand 14 states. [2020-09-21 10:18:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:48,622 INFO L93 Difference]: Finished difference Result 566 states and 830 transitions. [2020-09-21 10:18:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 10:18:48,623 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-09-21 10:18:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:48,631 INFO L225 Difference]: With dead ends: 566 [2020-09-21 10:18:48,631 INFO L226 Difference]: Without dead ends: 562 [2020-09-21 10:18:48,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-09-21 10:18:48,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-09-21 10:18:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 510. [2020-09-21 10:18:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-09-21 10:18:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 740 transitions. [2020-09-21 10:18:48,666 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 740 transitions. Word has length 749 [2020-09-21 10:18:48,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:48,667 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 740 transitions. [2020-09-21 10:18:48,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:18:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 740 transitions. [2020-09-21 10:18:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-09-21 10:18:48,689 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:48,690 INFO L422 BasicCegarLoop]: trace histogram [111, 111, 108, 108, 89, 88, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 34, 34, 23, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:48,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-21 10:18:48,691 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:48,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1927086300, now seen corresponding path program 13 times [2020-09-21 10:18:48,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:48,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197987478] [2020-09-21 10:18:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:49,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-09-21 10:18:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-09-21 10:18:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:51,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:18:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-21 10:18:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 66940 backedges. 1164 proven. 6322 refuted. 0 times theorem prover too weak. 59454 trivial. 0 not checked. [2020-09-21 10:18:54,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197987478] [2020-09-21 10:18:54,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:18:54,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 10:18:54,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399093417] [2020-09-21 10:18:54,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 10:18:54,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:18:54,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 10:18:54,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-21 10:18:54,857 INFO L87 Difference]: Start difference. First operand 510 states and 740 transitions. Second operand 18 states. [2020-09-21 10:18:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:18:55,962 INFO L93 Difference]: Finished difference Result 1028 states and 1537 transitions. [2020-09-21 10:18:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-21 10:18:55,962 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1498 [2020-09-21 10:18:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:18:55,969 INFO L225 Difference]: With dead ends: 1028 [2020-09-21 10:18:55,969 INFO L226 Difference]: Without dead ends: 536 [2020-09-21 10:18:55,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-09-21 10:18:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-21 10:18:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 510. [2020-09-21 10:18:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-09-21 10:18:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 721 transitions. [2020-09-21 10:18:56,004 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 721 transitions. Word has length 1498 [2020-09-21 10:18:56,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:18:56,005 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 721 transitions. [2020-09-21 10:18:56,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 10:18:56,005 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 721 transitions. [2020-09-21 10:18:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-09-21 10:18:56,025 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:18:56,026 INFO L422 BasicCegarLoop]: trace histogram [115, 115, 114, 114, 93, 92, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 36, 35, 23, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:18:56,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-21 10:18:56,027 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:18:56,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:18:56,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1389431907, now seen corresponding path program 14 times [2020-09-21 10:18:56,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:18:56,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929894756] [2020-09-21 10:18:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:18:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:18:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:18:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:57,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:18:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-09-21 10:18:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 10:18:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-21 10:18:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:18:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:18:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:18:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:18:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:18:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 10:18:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:18:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:18:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-09-21 10:19:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:19:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 10:19:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:19:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:19:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 10:19:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:00,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 10:19:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 73216 backedges. 1727 proven. 6947 refuted. 0 times theorem prover too weak. 64542 trivial. 0 not checked. [2020-09-21 10:19:02,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929894756] [2020-09-21 10:19:02,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:19:02,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-21 10:19:02,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489753841] [2020-09-21 10:19:02,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-21 10:19:02,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:19:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-21 10:19:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:19:02,979 INFO L87 Difference]: Start difference. First operand 510 states and 721 transitions. Second operand 20 states. [2020-09-21 10:19:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:19:04,360 INFO L93 Difference]: Finished difference Result 1136 states and 1751 transitions. [2020-09-21 10:19:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-21 10:19:04,361 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1566 [2020-09-21 10:19:04,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:19:04,370 INFO L225 Difference]: With dead ends: 1136 [2020-09-21 10:19:04,370 INFO L226 Difference]: Without dead ends: 644 [2020-09-21 10:19:04,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 10:19:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-09-21 10:19:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 590. [2020-09-21 10:19:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-09-21 10:19:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 873 transitions. [2020-09-21 10:19:04,418 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 873 transitions. Word has length 1566 [2020-09-21 10:19:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:19:04,419 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 873 transitions. [2020-09-21 10:19:04,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-21 10:19:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 873 transitions. [2020-09-21 10:19:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-09-21 10:19:04,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:19:04,440 INFO L422 BasicCegarLoop]: trace histogram [90, 90, 87, 87, 72, 71, 45, 45, 45, 45, 45, 45, 45, 43, 43, 43, 43, 43, 43, 43, 29, 26, 18, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:19:04,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-21 10:19:04,440 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:19:04,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:19:04,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1219901515, now seen corresponding path program 15 times [2020-09-21 10:19:04,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:19:04,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146686468] [2020-09-21 10:19:04,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:19:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:19:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:19:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:19:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat